A 75-year-old man with a history of penetrating keratoplasty 6 months ago presents with a 2-day history of eye pain, blurry vision, and foreign-body sensation in his left eye.

A 52-year-old man with a history of cocaine dependency presents for spectacles after losing his previous pair, but your exam uncovers additional concerns.

An 80-year-old woman who was referred to your eye clinic by her dermatologist presents with symptoms of progressive, bilateral blurred vision 2 weeks following her second infusion of nivolumab as monotherapy for metastatic BRAF-positive malignant melanoma.

A 47-year-old white woman complains of 3 years of bilateral dry-eye symptoms. She specifically reports a constant sensation of dryness, burning, and sensitivity to light in both eyes. Preservative-free artificial tears do not relieve her symptoms.

A 53-year-old man with a history of refractive error and heterochromia is referred to your clinic for management of glaucoma.

This case describes a 10-year-old boy who presents with 2 weeks of nausea, headache, diplopia, and ptosis.

This case describes a young man with 5 days of blurry vision following 2 days of flu-like symptoms.

A 28-year-old woman presents with 1 week of blurred vision in both eyes with sudden onset of symptoms without progression.

A 42-year-old man complains of experiencing severe headache that began as ocular pain while playing basketball.