Depending on what is causing palpebral edema, a treatment may be prescribed. For example, if an allergen is the trigger, the doctor will prescribe antihistamines. Eye drops or oral medications may be used together with mild steroid drops. Lubrication can also be recommended in the form of artificial tears For allergic reasons. Many times the edema is caused by systemic allergies such as rhinitis or by having contact with an irritating substance. In both cases, the treatment of allergic palpebral edema contemplates the consumption of antihistamine medications to help the immune system fight against allergy.. Once the medicine begins to take effect the inflammation should start revert.
Patients with eyelid erythema and edema often present first to the family physician. Cellulitis may be suspected in patients with a red, swollen eyelid, although dermatitis is a more common cause Periorbital edema is a term for swelling around the eyes. The area around the eyes is called the eye socket or eye orbit. Sometimes people refer to this condition as periorbital puffiness or puffy. Peripheral edema is swelling of your lower legs or hands. The cause may be simple, such as sitting for too long on a plane or standing for too long. Or it may involve a more serious underlying.. . Symptoms tend to include itching, eyelid edema, stringy or watery discharge, and sometimes a history of seasonal recurrence. Diagnosis is usually clinical The conjunctiva is a mucous membrane that extends from the corneolimbus across the globe, down into the fornix and then returns back up the inner surface of the eyelid, terminating at the keratinized margin. It is composed of cuboidal epithelial cells interspersed with Langerhans cells, melanocytes and lymphocytes
All are hypersensitivity reactions that can result in puffy swollen eyelids, chemosis, ocular surface hyperemia (injection), tearing, and a scaly eczematous rash in the pattern of exposure. The classical signs of allergic reaction, itching and vertical eyelid rhytids, are diagnostic if present but may also be absent (Figs. 2C, ,DD) For instance, if swollen eyelid is due to allergy from animal dander or dust particle, it may subside easily with some basic medication. Swelling in the eyelid that has happened over the period of time could be due to some serious condition such as Graves Disease (hyperthyroidism) and require a particular care The bulbar and tarsal conjunctivae can become intensely hyperemic with a mucopurulent discharge. The condition often has a papillary reaction on the palpebral conjunctiva. In cases of adult gonococcal conjunctivitis, symptoms include eyelid edema, chemosis and a prolific purulent discharge Eyelid edema is often due to allergy, infection, or trauma, but can be caused by poor venous or lymphatic return to the eyelid or decreased muscle tone. Definitive diagnosis can be made by understanding the mechanism and tracing the clinical course if there is no response to antiallergic treatment Patients have progressive facial coarsening with downslanted palpebral fissures, upper eyelid fullness/infraorbital folds, thick/everted vermillion, gingival overgrowth and abnormal position of the teeth
A 70-year-old man developed severe periorbital edema secondary to imatinib mesylate (Gleevec; Novartis Pharmaceuticals Corp, East Hanover, NJ). Imatinib mesylate is a tyrosine kinase inhibitor with a high degree of specificity for the BCR-ABL, KIT, and platelet-derived growth factor receptor β.. Etiological investigation of bilateral palpebral edema should initially focus primarily on immuno-allergic causes, allergic contact dermatitis and allergic conjunctivitis. IgE-mediated or drug-induced angioedema should be suspected where the medical history is consistent with such causes Acquired angioedema (AAE) can be immunologic, nonimmunologic, or idiopathic. It is usually caused by allergy and occurs together with other allergic symptoms and urticaria. It can also occur as a side effect to certain medications, particularly ACE inhibitors Swelling of the conjunctiva can lead the eye to become irritated and presents as the outer surface looking watery or gelatinous in appearance. Chemosis is a non-specific symptom that can have any. Orbital allergic reaction includes, conjunctival injection, blepharitis, periorbital dermatitis, and oedema of the eyelid. 2 Pruritis and oedema are the most common clinical findings, although this is usually bilateral. Table 1 shows the main differences in presentation between cellulitis and eye allergy
Allergic Reactions: Edema is a cause of most allergic reactions. If you are allergic to medications or something else then it happens that nearby blood vessels leak fluid into the affected area. Low Albumin: Doctors may call this issue as hypoalbuminemia. Low albumin contributes to edema, albumin and some other proteins in the blood act like. Periorbital edema, or eye puffiness, is the medical condition where the tissues surrounding the eye become swollen.This is primarily due to an inflammatory process that results in fluid buildup. DEFINICIÓN Y ETIOPATOGENIAArriba. El angioedema (AE) es el edema del tejido subcutáneo o submucoso resultante de la dilatación y aumento de la permeabilidad vascular.Se desarrolla generalmente en un lapso de entre algunos minutos y varias horas. Está bien delimitado, asimétrico y típicamente localizado en la región palpebral, labios (→fig. 5-1), genitales y en la región distal de las. The palpebral conjunctiva is a thin mucous membrane on the inside of each lid. Tear glands are distributed throughout the eyelid. Meibomian glands are located in the tarsal plate, and secrete the oily, evaporation-prevention portion of tears through their ducts near the posterior eyelid margin
Eyelid swelling is quite common and can be caused by an infection, an allergy or excess water retention. We have a few remedies to relieve swollen eyelids. It can affect one or both eyelids and comes with conjunctival redness, itching, tearing, and other uncomfortable symptoms that often hinder vision Symptoms and Causes What causes hives (urticaria) and swelling (angioedema)? Allergens can causes these reactions. An allergen is a substance your body doesn't like, and your body's immune system reacts by releasing chemicals called histamines. Histamines are a chemical made by allergy cells (mast cell) and other immune cells (eosinophils, basophils, etc) that goes into overdrive to get.
Eye allergies aren't contagious but they can be miserable to deal with. If it's an infection, you run the risk of damaging your eye and/or spreading it to others. Advertising Policy Allergic swelling, also called angioedema, is a common result of encountering the substances that trigger your allergic reactions. Usually, the swelling will happen around your eyes, lips, hands, feet, and/or throat. Swelling can be uncomfortable and scary, but it will go down Conjunctiva. The conjunctiva consists of the palpebral conjunctiva (lining the posterior eyelids), the fornix or conjunctival cul-de-sac where the palpebral and bulbar conjunctiva connect, and the bulbar conjunctiva (covering the anterior globe or episclera) and nictitating membrane. The conjunctiva has important roles in tear dynamics. Angioedema is an area of swelling of the lower layer of skin and tissue just under the skin or mucous membranes. The swelling may occur in the face, tongue, larynx, abdomen, or arms and legs. Often it is associated with hives, which are swelling within the upper skin. Onset is typically over minutes to hours. The underlying mechanism typically involves histamine or bradykinin
Allergic conjunctivitis is the inflammation of the eye conjunctiva and an actual response of the immune system, triggered by a potential allergen. There is no infectious agent causing the appearance of allergic conjunctivitis, so you can be absolutely certain that this is not a contagious condition . The antiallergic treatment not only resolved the hyperemia and edema of the palpebral conjunctiva, but also reduced the tumor size. In one case, the topical antiallergic agent alone led to a reduction of the tumor size. A combination of topical antiallergic agent and topical immunosuppressant.
Asthma is a chronic condition that causes swelling and narrowing in the airways, causing cough and more. Hay fever. Hay fever, an allergic reaction to outdoor pollens and molds, causes nasal congestion, itchy eyes, and more. Allergic reaction. Allergic reaction causes sneezing, runny nose and hives and can lead to anaphylaxis, a whole body. .4 In the United States, almost half of the population is affected by symptoms of allergic conjunctivitis.5 Seasonal and perennial allergic conjunctivitis, in particular, affect 15-20% of th Palpebral conjunctiva The items evaluated in palpebral conjunctival ﬁndings are hy-peremia, swelling, follicles, papillae, and giant papillae. The criteria in each item are the density of dilated blood vessels for hyperemia (Fig. 7), the scale and the presence or absence of opacity for swelling (Fig. 8), the number of follicles in either side. Your immune system's allergy response causes inflammation of the conjunctiva and results in swelling of the conjunctiva and bumps called papillae on the inner lining of your eyelids called the palpebral conjunctiva. These signs of ocular allergies are diagnosed by an optometrist. Dr. Mindy Blumber Allergic diseases (angioneurotic edema, aeroallergens, food allergy) Vasculitis (anaphylactoid purpura, systemic lupus erythematosus, dermatomyositis, polyarteritis nodosa, scleroderma, Kawasaki disease) change nephrotic syndrome with low plasma oncotic pressure 
. He underwent skin and mucous membrane testing with crotalid venom and was found to be very reactive. Shortly thereafter, he wa Allergic conjunctivitis 1. Syed Mohammed Didarul Alam B.Optom, 3rd Year Institute of Community Ophthalmology University of Chittagong 2. Allergic conjunctivitis: • Inflammation of conjunctiva due to allergic or hypersensitive reaction which may be immediate (humoral ) or delayed (cellular) to specific antigens 3 Ketotifen, an antihistamine, is one of the most popular and effective ingredients in eye drops targeted at allergy relief. After all, your eyes respond to allergens the same way the rest of your body does: when they come into contact with a substance that causes an allergic reaction, they produce a chemical called histamines, which causes swelling, itching, pain, and other unpleasantries palpebral conjunctiva, follicles in the lower palpebral conjunc-tiva, hyperemia of the palpebral conjunctiva and lacrimal eﬀusion. The allergic conjunctivitis was graded as being severe if the total score was more than or equal to 230, moderate if the score was more than 20 but less than 230, and mild if the score was equal to or less than 20 Ten objective signs were assessed using 4 grades (0 = normal; 1+ = mild; 2+ = moderate; 3+ = severe), as in previous reports [3, 12,24,25], with palpebral conjunctiva (hyperemia, swelling.
. After the reaction subsided, the patient restarted Darunavir and Ritonavir in association with Abacavir and Lamivudine. On the 2nd day she developed palpebral edema and discontinued ARVT once again. She was then referred to our Drug Allergy Clinic for suspected hypersensitivity to ARVT atopy or allergy is strongly suggestive of the atopic nature of the disease, as well as the his-tory of seasonal exacerbations. AR is often accompanied (especially in pollen allergy) by conjunctivitis, which involves conjunctival pruritus, tearing, palpebral edema and redness . There are some ocular and nasal symptoms that are not usually. The conjunctiva (OS) is diffusely hyperemic, and there is chemosis (edema of the conjunctiva) and moderate lid edema. Traces of mucopurulent discharge are evident on the lid. Exam with Pontocaine (local anesthetic) and fluorescein reveals no corneal abrasions or ulceration. No foreign bodies are noted on the palpebral conjunctiva A natural and effective approach. Palpebral swelling (or oedema), which is signalled by the accumulation of liquids, congestion and hyperemia of the upper and/or lower eyelids, can be triggered by allergic reactions; it can also be a consequence of microbial infection of the eye or linked to a generalized, inflammatory state of the organism and its difficulty in draining toxins, produced by.
Edema of eyelid () Concepts: Finding (T033) ICD9: 374.82: ICD10: H02.84: SnomedCT: 89091004: English: EYELID EDEMA, EYELID OEDEMA, palpebral edema (physical finding. Swollen eyelids, or swelling around the eyes, is an inflammatory response to allergies, infection or injury. Eyelid swelling can happen with just one eye or both eyes. Eye puffiness is usually related to lack of sleep, age-related sagging of tissue and general water retention. If you have puffy eyes, it will typically affect both eyes telemedicine visit, verification of patient identity and location in CA was performed by clinic's staff history provided by patient history provided by family member SO/family member present during visit chaperon/MA present during visit interpretation provided by family member/SO interpretation provided by MA complete history unobtainable d/t poor effort/affect complete history unobtainable. • Allergic rhinitis is defined as immunologic nasal response, primary mediated by immunoglobulin E (IgE). • Non-allergic rhinitis is defined as rhinitis symptoms in the absence of identifiable allergy, structure abnormality or sinus disease. 5
Blepharitis (blepharitis squamosa) Definition: Blepharitis. is a common eyelid condition that presents as a chronic and/or recurrent scaly inflammation of the eyelid margins. Etiology. Staphylococci (most common causative pathogen) Other infective etiologies: viral (e.g., herpes simplex or. varicella zoster Each year ocular allergies affect millions of people around the world. The most common forms of allergic conjunctivitis are seasonal and perennial. Other forms include vernal keratoconjunctivitis, giant papillary conjunctivitis, and atopic keratoconjunctivitis. Symptoms include itching, redness, lid swelling, tearing, and chemosis Palpebral conjunctiva. Lacrimal apparatus. Cornea and lens - shine a light from the side of the eye for an oblique view. Shape and color of the iris. Size of the pupil. Test pupillary reaction to light: Darken the room. Ask client to focus on object on other side of room. Shine light obliquely into one. Observe reaction. Test. Reactions 1589, p43 - 20 Feb 2016 Benzocaine/castor oil/chlorobutanol/ phenol/turpentine Palpebral angioedema and allergic contact dermatitis: case report A 38-year-old woman developed palpebral angioedema and allergic contact dermatitis following treatment with [Otocerum]. The woman presented with mild erythema and pruritus of her left ear canal, along with swelling and palpebral oedema, 24. Conjunctival hyperemia and chemosis with palpebral edema are typical. A rapid test for tear IgE level has correlated the objective sign of giant papillae with the total IgE tear level. (Mimura et al. 2012) Hyperemia is the result of vascular dilatation while edema (chemosis) occurs because of altered permeability of post-capillary venules
painful, non-erythematous eyelid edema, as in the case of this patient— has been poorly described in the medical literature. Acute-onset, unilateral eyelid edema in isolation occurs mainly from micro-trauma or allergic reaction. Inadvertent inoculation of the eyelid tissue with any chemical, particulat Eyelid margin erythema and edema, which can be seen with most of the conditions described. Scaling of the eyelids, ectropion and leathery thickness of the eyelid (lichenification) are associated with atopic dermatitis and chronic contact dermatoblepharitis. Periorbital hyperpigmentation (allergic shiners) may point to an allergic cause Edema palpebral maciço relacionado ao uso de álcool: relato de caso 1 MD, PhD, play a role in the genesis of allergic skin reactions(12); and alcohol intake has been associated with distinctive skin chan-ges and exacerbation of dermatologic disorders(9,13) Tricia Christensen Hives typically stem from an allergic reaction. Angioneurotic edema is more commonly named angioedema, and to confuse matters, this refers to two different illnesses that have similar symptoms. Standard angioneurotic edema is often related to urticaria/hives, and is often associated with an allergic reaction, though cause isn't always known
conjunctival edema, eye discharge, formation of giant papillae are present. Fig. 5. Upper palpebral conjunctival ﬁndings in GPC. Hyperemia and dome-like giant papillae are present. Fig. 6. Age distribution of patients with allergic conjunctival diseases. The number of patients with allergic conjunctival diseases who contacted the facilities. H02.849 Edema of unspecified eye, unspecified eyelid . H02.85 Elephantiasis of eyelid . H02.851 Elephantiasis of right upper eyelid . H02.852 Elephantiasis of right lower eyelid . Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes..
Contact dermatitis is a red, itchy rash caused by direct contact with a substance or an allergic reaction to it. The rash isn't contagious or life-threatening, but it can be very uncomfortable. Many substances can cause such reactions, including soaps, cosmetics, fragrances, jewelry and plants Insect Sting Allergy Symptoms. Pain. Redness. Swelling (in area of sting and sometimes beyond) Flushing. Hives. Itching. Anaphylaxis (less common), a potentially life-threatening reaction that may impair breathing and can cause the body to go into shock. For more information on insect sting allergy symptoms click here Step 3: Treat Expected Side Effects. If your only symptoms are pain, redness, and swelling/itching at the site of the sting, and the bee sting was not on the face, then you're not likely to be experiencing a severe allergic reaction. Consider taking a single dose of an oral antihistamine such as Benadryl, Allegra, Zyrtec, or Claritin as quickly. Gross edema with ballooning of the conjunctiva, often leading to prolapse of conjunctiva, is known as chemosis. Edema of the tarsal conjunctiva (typical of allergic conjunctivitis ) results in fine, minute projections (papillae), giving the tarsal conjunctiva a velvety appearance
Unilateral Eyelid Edema as Initial Sign of Orbital Sarcoidosis. Sílvia Miguéis Picado Petrarolha,1 Bruna Suda Rodrigues,2 Flávio David Haddad Filho,2 Rogério Aparecido Dedivitis,3,4 Samuel Brunini Petrarolha,5 and Pedro Martins Tavares Scianni Morais5. 1Department of Head and Neck Surgery, Hospital Ana Costa, 11050-120 Santos, SP, Brazil Neonatal conjunctivitis caused by Chlamydia trachomatis is an acute infection of the conjunctiva that is characterized by erythema and edema of the eyelids, palpebral conjunctivae, and purulent eye discharge. It typically occurs between 5 and 14 days after delivery, although it can present earlier Background The clinical features of allergic ocular diseases (AOD) are characterized by their wide variety. Clinical evaluation criteria are essential not only for objective assessment in clinical trials, but also for clinical studies on etiological aspects of AOD. However, there have been no internationally established criteria for clinical evaluation and classification of the severity of AOD. On arrival, she appeared conscious and oriented and showed bilateral palpebral ptosis associated with lips and tongue swelling. European Viper antiserum from Croatia (Zagreb) type Fab 2 was promptly infused intravenously. After 2 h, she developed sudden dyspnea with inspiratory stridor and massive oral, pharyngeal, and facial edema - Edema of the conjunctiva characterized by diffuse swelling (bulbar conjunctiva lacks anchoring septa), most prominent in the area of the palpebral fissure where the pressure of the eyelids does not restrict the swelling. - Most often caused by allergy but can be caused by other inflammatory conditions such as conjunctivitis, episcleritis.
In the latter type, we found that CholU with anhidrosis and hypohidrosis (CUAH) lacks cholinergic receptor M3 expression in eccrine gland epithelial cells. 6 CholU with angioedema is characterized by sweat allergy, female dominancy, concomitant presence of atopic dermatitis, and high frequency of anaphylaxis. 2 Instead of palpebral swelling. Background. Rhinitis is defined as inflammation of the nasal membranes [ 2] and is characterized by a symptom complex that consists of any combination of the following: sneezing, nasal congestion, nasal itching, and rhinorrhea. [ 1] The eyes, ears, sinuses, and throat can also be involved. Allergic rhinitis is the most common cause of rhinitis Pinkeye is redness and swelling of the membrane that lines the eyelid, called the conjunctiva. Drug allergy. A drug allergy is an allergic reaction to a medication and can cause a rapid heartbeat and difficulty breathing. Mumps. Mumps is a contagious viral disease that causes painful swelling of the glands that produce saliva. Chronic sinusiti
References. Papier A, Tuttle J, Mahar TJ. Differential Diagnosis of the Swollen Red Eyelid. Am Fam Physician. 2007 15;76(12):1815-1824. PubMed. Zug KA, Palay DA, Rock B. Dermatologic Diagnosis and treatment of itchy red eyelids Canine eyelid disease is a common clinical challenge for general veterinary practitioners. Erythema, alopecia, edema, and conjunctival hyperemia are hallmark signs that occur due to pronounced vascularity of the eyelids. Inflammation may be focal or diffuse, affecting one or both eyes, with variable involvement of all 4 eyelids
Inflammation of the conjunctiva is known as conjunctivitis and is characterized by dilation of the conjunctival vessels, resulting in hyperemia and edema of the conjunctiva, typically with associated discharge. The prevalence of conjunctivitis varies according to the underlying cause, which may be influenced by the patient's age, as well as the season of the year The National Institute of Allergy and Infectious Diseases (NIAID) conducts and supports research to understand, treat, and prevent infectious and allergic diseases Chemosis of the eye is a medical condition, in which the conjunctiva of the eye becomes swollen. The condition mainly caused by the exudation of the small capillaries of the eye, presenting an abnormal permeability. Chemosis occurs when the eye has been irritated, representing however a nonspecific sign
Finally, consider a local allergic reaction in the eyelids, 9 which can also cause painless palpebral edema. Expect to see erythematous edema and intense itching a few hours after exposure to the allergen. A cosmetic product is often the culprit. As you might expect, initial treatment calls for withdrawal of the offending product Because atopic dermatitis does not heal completely, associated severe atopic keratoconjunctivitis (AKC) and vernal keratoconjunctivitis (VKC) often require long-term treatment. This study aims to evaluate the long-term outcomes of using 0.1% tacrolimus eye drops to treat these severe allergic conjunctival diseases. Two-hundred-and-seventy eyes of 135 patients diagnosed with AKC or VKC from. Bilateral periorbital edema in the absence of general edema is an important clue that is usualy seen in al-lergic reactions (angioedema), trichinosis, Kawasaki disease or bilateral periorbital cellulitis3-5. Allergic reactions like contact dermatitis and angio-edema should be differentiated at ﬁ rst. In our pa Systemic hypersensitivity reactions to topical ophthalmic treatment occur rarely, but when they do they can be severe as highlighted by this case. A post-operative cataract surgery patient developed a severe and generalised hypersensitivity reaction following topical treatment with Maxitrol (Dexamethasone and Neomycin) eye drops. The patient reported a previous allergic reaction to Neomycin However, once betadine treatment has been initiated, an EM 3 can be billed. A bottle of 30ml betadine 5% costs about $17.95, and a bottle of 15ml tetracaine 0.5% costs about $4.25. The per-drop cost of betadine is only about $0.03
conditions of the palpebral and bulbar conjunctiva, cornea, and anterior segment of the globe Treatment of corneal injury (Omnipred) prednisolone acetate 0.12% (Pred Mild®)15 Allergan Treatment of mild to moderate noninfectious allergic and inflammatory disorders of the lid, conjunctiva, cornea, an He had no major allergies and was up to date on all immunizations. The patient was afebrile and in no acute distress; all vital signs were within normal limits. On physical examination, an approximately 1-cm, erythematous, fleshy, glistening, raised lesion was present on the palpebral conjunctiva, under the left upper eyelid laterally (Figure 2. Eyelid edema is a condition in which the eyelids are swollen and tissues contain excess fluid. It may affect eye function when it increases the intraocular pressure. Eyelid edema is caused by allergy, trichiasis or infections. The main symptoms are swollen red eyelids, pain, and itching. Chronic eyelid edema can lead to blepharochalasis This symptom is called palpebral edema, and it is an alarm sign in cases of food allergies and other types of allergic reactions. Thus, it is very important to talk to your doctor if you have this and any other concerning symptoms to be able to differentiate one medical condition with other life-threatening problems that may arise in the same.
atopathy, as well as mild boggy lid edema. She was started on ketotifen fumarate and artificial tears for pre-sumed allergic conjunctivitis. Five months later at her follow-up exam, she had persistent symptoms and exam with giant papillary reaction of the palpebral conjunctiva of both upper eyelids. Upon referral to an allergist, sh Allergic. Allergic conjunctivitis is a type-1 hypersensitivity reaction caused by airborne or other allergens. The allergens cause the degranulation of mast cells and release of histamine and other factors causing swelling and redness of the conjunctiva. This swelling can present on the palpebral conjunctiva as a cobblestone appearance with. Allergic conjunctivitis aﬀects up to 40% of the general population [1-3] and is a common clinical problem for ophthalmic and allergic practices . In one study of 5000 allergic children, 32% had ocular symptoms as the single manifestation of their allergies (Marrache, Brunet et al 1978)
Allergic conjunctivitis is the medical term for an eye allergy. Treatments for allergic conjunctivitis include antihistamines and mast cell stabilizers. Allergic conjunctivitis is the medical term for an eye allergy. It develops when your eyes come into contact with something you're allergic to. When that happens, your body releases chemicals. Palpebral edema; Wheezing; Runny nose and sneezing; Breathing difficulty; Abdominal pain, diarrhea, nausea or vomiting; Diarrhea and acid reflux in babies; Dizziness; Anaphylaxis a more severe form of allergic symptoms, or; life-threatening symptoms such as swelling sufficient to obstruct breathing, shock, a fast and irregular pulse, and loss.
INTRODUCTION: The presence of bilateral exophthalmos and palpebral, periorbital edema associated with hyperthyroidism is most often considered as an initial sign of Graves [ncbi.nlm.nih.gov] Though quite rare, this disease can also manifest with gastrointestinal symptoms such as dysphagia, heartburn, nausea, vomiting and diarrhea Use of tacrolimus 0.1% eye drops is highly effective in treating refractory allergic conjunctivitis, according to a study published in the April 2 online British Journal of Ophthalmology. The prospective observational study evaluated the eyes of 1,436 patients with refractory allergic conjunctivitis who did not respond favorably to prior treatment with conventional allergy drugs, topical. We report on the development of acute angioedema 3 hours after a secondary blepharoplasty. The tongue swelling rapidly progressed to asphyxia and cardiac arres The conjunctiva is a loose connective tissue that covers the surface of the eyeball (bulbar conjunctiva) and reflects back upon itself to form the inner layer of the eyelid (palpebral conjunctiva). This tissue firmly adheres to the sclera at the limbus, where it meets the cornea