H01.021

Clinical Causes: Bacterial infections, especially involving bacteria such as Staphylococcus species Skin conditions like seborrheic dermatitis or psoriasis Allergic reactions to cosmetics, eye drops, or environmental allergens Malfunction of eyelid oil glands (meibomian gland dysfunction) Poor eyelid hygiene or infrequent eyelid cleaning Underlying conditions such as rosacea or seborrhea

Key Symptoms: Redness and swelling of the eyelid margin Itching or burning sensation in the eyelid area Crusting or scaling along the edge of the eyelids A sensation of grittiness or foreign body in the eye Increased tearing or watery eyes Sensitivity to light Possible eyelash loss or misdirection (madarosis)

Diagnosis Path: Diagnosis typically involves a comprehensive eye examination by an eye care professional. The clinician will observe the eyelid and eye surface for signs of inflammation, crusting, and eyelash changes. They may also take a detailed patient history to identify potential triggers or underlying skin conditions. In some cases, laboratory tests such as eyelid margin scrapings or cultures might be used to identify infectious organisms or skin conditions contributing to the inflammation.

Treatment Protocols: Treatment for squamous blepharitis aims to reduce inflammation, control infection if present, and improve eyelid hygiene. Approaches may include: - Regular eyelid hygiene: gentle cleaning of the eyelid margins with warm water or prescribed lid scrubs - Warm compresses: applied to loosen crusts and promote gland function - Topical antibiotics: such as erythromycin or bacitracin, for bacterial involvement - Steroid eye drops or ointments: in cases with significant inflammation, under medical supervision - Artificial tears: to relieve dryness and irritation - Addressing underlying skin conditions: managing seborrheic dermatitis or rosacea - Avoiding irritants: such as makeup or harsh skin products It is important to follow the guidance of an eye care professional for personalized management, as untreated blepharitis can lead to further eye complications, including eyelash misdirection or chronic irritation.