Question: esotropia

Answer: Strabismus characterized by an inward deviation of one or both eyes is known as:

Question: Xerophthalmia

Answer: The drying of the surfaces of the eye, including the conjunctiva, is called:

Question: presbyopia

Answer: This is the condition of common changes in the eyes that occur with aging:

Question: entropion

Answer: The inversion of the edge of an eyelid is called:

Question: nystagmus.

Answer: This term describes an involuntary, constant, rhythmic movement of the eyeball: