Another name for a stye is:

An instrument used to examine the nasopharynx and the eustachian tube is known as a(n):

The process of determining the intraocular pressure by calculating the resistance of the eyeball to an applied force causing indentation is known as:

An ocular disorder characterized by increase in intraocular pressure is known as:

Drooping of the eyelid that partially or entirely covers the eye as a result of a weakened muscle is known as:

Any disease of the retina is known as:

The medical term that means pain in the ear, or earache, is:

A term used to describe involuntary eye movements:

The ability of the lens to focus clearly on objects at various distances is known as:

A chronic inner ear disease that is characterized by recurring episodes of vertigo, hearing loss, feeling of pressure or fullness in the affected ear, and tinnitus is known as:

Loss of hearing due to the natural aging process is known as:

The opening between the eyelids is called:

This structure controls the amount of light that enters the eye by contracting or dilating:

Also known as the "white of the eye":

Double vision caused by each eye focusing separately, which is also known as ambiopia:

A health professional (not an M.D.) who specializes in filling prescriptions for corrective lenses for glasses or for contact lenses:

The process of measuring how well an individual hears various frequencies of sound waves:

Inflammation of the inner ear:

A ringing or tinkling noise heard in the ears:

A surgical incision into the eardrum to relieve pressure or release fluid from the middle ear:

A sensation of spinning around due to a disturbance of the equilibrium: