A 29-year-old woman previously diagnosed with a urinary tract infection returns to the ER with bilateral blurred vision, nausea, hematuria, and headaches.

A 14-year-old girl presents to your clinic with sudden-onset blurry vision in her left eye and no other symptoms. She was referred by an optometrist whom she originally saw for new contacts.

A 45-year-old Peace Corps volunteer presents for a routine eye checkup in anticipation of moving abroad. The clinical exam reveals an unexpected lesion.

A twin baby girl is referred by her neonatologist for suspected retinopathy of prematurity (ROP).

A 67-year-old man presents with a four-day history of "graying" of the central vision in his left eye that has progressed to a central "black spot." with "flickering lights."