granular secretions. Clinical Findings Initially, mild erythema and slight swelling of the involved eyelid are seen. After a few days the inflammation resolves, and a slow growing, round, nonpigmented, painless (key finding) mass remains. It may persist for a long time and is a commonly acquired lid lesion seen in children (see Fig. 29-7). 727 Management Acute lesions are treated with hot compresses. Refer to an ophthalmologist for surgical incision or topical intralesional corticosteroid injections if the condition is unresolved or if the lesion causes cosmetic concerns. A chalazion can distort vision by causing astigmatism as a result of pressure on the orbit. Complications Recurrence is common. Fragile, vascular granulation tissue called pyogenic granuloma that enlarges and bleeds rapidly can occur if a chalazion breaks through the conjunctival surface. Blepharitis Blepharitis is an acute or chronic inflammation of the eyelash follicles or meibomian sebaceous glands of the eyelids (or both). It is usually bilateral. There may be a history of contact lens wear or physical contact with another symptomatic person. It is commonly caused by contaminated makeup or contact lens solution. Poor hygiene, tear deficiency, rosacea, and seborrheic dermatitis of the scalp and face are also possible etiologic factors. The ulcerative form of blepharitis is usually caused by S. aureus. Nonulcerative blepharitis is occasionally seen in children with psoriasis, seborrhea, eczema, allergies, lice infestation, or in children with trisomy 21. Clinical Findings Swelling and erythema of the eyelid margins and palpebral conjunctiva 726 Flaky, scaly debris over eyelid margins on awakening; presence of lice Gritty, burning feeling in eyes Mild bulbar conjunctival injection Ulcerative form: Hard scales at the base of the lashes (if the crust is removed, ulceration is seen at the hair follicles, the lashes fall out, and an associated conjunctivitis is present) Differential Diagnosis Pediculosis of th…
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