An error of refraction caused by an irregularity of the curve of the cornea that distorts light entering the eye and does not allow the eye to focus the light on a single point.
What is astigmatism?
200
Helps maintain the shape of the eyeball and provides protection for it, also known as the white of the eye.
What is the sclera?
200
The prefix for dry, as in dry eyes.
What is xeros-?
200
Suffix that means surgical repair.
What is -plasty?
200
Word root for tear.
What is lacrim/o?
200
Total deafness.
What is anacusis?
300
The structure that is vibrated when sound waves enter the ear.
What is the tympanic membrane?
300
The prefix for sensory.
What is sensor-?
300
Suffix that means excision.
What is -ectomy?
300
Word root for eardrum.
What is tympan/o?
300
Ringing, buzzing, or roaring sound in the ears.
What is tinnitus?
400
Protects the ear by preventing dust, insects, and some bacteria from entering the middle ear, more commonly known as earwax.
What is cerumen?
400
The prefix for without.
What is a-?
400
Suffix that means pain.
What is -dynia?
400
Word root for the internal ear.
What is labyrinth/o?
400
A disease characterized by an increase in intraocular pressure that causes damage to the optic nerve.
What is glaucoma?
500
Along with provision of hearing, this is one of the dual purposes of the ear.
What is equilibrium?
500
The prefix meaning old, as in hearing loss that occurs with aging.
What is presby-?
500
Suffix that means softening.
What is -malacia?
500
Word root for the eyelid.
What is blephar/o?
500
A condition that features the drooping of the upper eyelid.