Chapter 58 vocab

Ptosis: drooping eyelids

Nystagmus: oscillating movement of eyeball

Emmetropia: normal vision

Myopia: nearsighted

Hyperopia: farsighted

Astigmatism: distortion caused by irregularity of the cornea

Glaucoma: A group of ocular conditions in which damage to the optic nerve is related to increased intraocular pressure (IOP) caused by congestion of the aqueous humor

Cataracts: An opacity or cloudiness of the lens

Retinal detachment: Manifestations: sensation of a shade or curtain coming across the vision of one eye, bright flashing lights, sudden onset of floaters