H00.013

Clinical Causes: Bacterial infection, primarily caused by *Staphylococcus aureus*. Poor eyelid hygiene leading to clogging of oil glands. Use of contaminated makeup or contact lenses. Increased oil production in eyelid glands. Previous eyelid infections or inflammation. Skin conditions such as rosacea or seborrheic dermatitis.

Key Symptoms: A small, painful lump on the eyelid, often red or swollen. Tenderness and discomfort in the affected eyelid. Swelling of the eyelid, sometimes causing it to appear puffy. In some cases, the presence of a yellowish pustule at the center of the bump. Sensitivity to light (photophobia). Blurry vision if swelling presses on the eye or obstructs vision. Possible itchiness or a sensation of a foreign body in the eye.

Diagnosis Path: Diagnosis is primarily clinical, based on a physical examination of the eyelid. The healthcare provider will observe the characteristic signs such as swelling, redness, and a tender lump. No special laboratory tests are typically necessary unless the infection persists or recurs frequently. In certain cases, a swab sample from the lesion may be taken to identify the causative bacteria and guide antibiotic therapy.

Treatment Protocols: Management of a hordeolum externum often involves the following approaches: - **Warm compresses:** Applying a warm, damp cloth to the eyelid several times a day can help facilitate drainage and reduce swelling. - **Eyelid hygiene:** Gently cleaning the eyelid with mild soap or specialized eyelid wipes to remove crusts and excess oil. - **Medication:** Over-the-counter pain relievers for discomfort. In some cases, a healthcare provider may prescribe antibiotic ointments or drops if bacterial infection persists or worsens. - **Avoid squeezing:** Refraining from squeezing or popping the lesion to prevent further infection or complications. - **Surgical intervention:** Rarely, if the stye does not drain on its own, minor surgical procedures may be performed to drain it safely. Typically, a simple hordeolum resolves within a week. Persistent or recurrent cases should be evaluated by an eye specialist for further management.