Which condition is characterized by progressive thinning of the cornea?
Keratoconus is a degenerative disorder that causes the cornea to thin and bulge into a cone-like shape, leading to distorted vision.
What is the primary symptom of dry eye disease?
Dry eye disease commonly presents with a gritty, burning sensation due to reduced tear production or increased tear evaporation.
Which microorganism is most commonly associated with contact lens-related keratitis?
Pseudomonas aeruginosa is a common cause of bacterial keratitis, especially in contact lens wearers, and can lead to corneal ulcers.
What is the typical first-line treatment for bacterial conjunctivitis?
Topical antibiotic eye drops, such as erythromycin or fluoroquinolones, are commonly prescribed to manage bacterial conjunctivitis.
Which condition involves inflammation of the eyelid margins?
Blepharitis causes chronic inflammation of the eyelid margins and is often associated with burning, redness, and crusting.
Which test is commonly used to evaluate tear production?
The Schirmer test measures tear production by placing a filter paper strip under the lower eyelid to assess moisture over time.