Definition that contains eyeball
- orbit the bony cavity in the skull containing the eyeball
- retina the innermost light-sensitive membrane covering the back wall of the eyeball; it is continuous with the optic nerve
- sclera the whitish fibrous membrane (albuginea) that with the cornea forms the outer covering and protection of the eyeball
- papilledema swelling of the optic disc (where the optic nerve enters the eyeball); usually associated with an increase in intraocular pressure
- nystagmus involuntary movements of the eyeballs; its presence or absence is used to diagnose a variety of neurological and visual disorders
- eyebath a small vessel with a rim curved to fit the orbit of the eye; use to apply medicated or cleansing solution to the eyeball
- superior rectus muscle the ocular muscle whose contraction turns the eyeball upward and medially
- iop pressure exerted by the fluids inside the eyeball; regulated by resistance to the outward flow of aqueous humor
- lateral rectus the ocular muscle whose contraction turns the eyeball outward
- eye cup a small vessel with a rim curved to fit the orbit of the eye; use to apply medicated or cleansing solution to the eyeball