O - S
Ocular
Pertaining to the eyeball and its covering membrane, the conjunctiva.
Oncologist
A medical doctor specializing in the treatment of cancer.
Oncology
The investigation and treatment of cancer
Ophthalmologist
A medical doctor specializing in ophthalmology.
Ophthalmology
The investigation and treatment of diseases of the eye and surrounding structures.
Optic nerve
The nerve connecting the eye to the brain.
Orbit
The bony cavity, padded with fat, which contains the eye, the ocular muscles, and any related blood vessels and nerves.
Posterior chamber
The cavity within the eye lying behind the iris.
Pupil
The central opening in the iris, through which light passes to reach the retina and through which aqueous flows from the posterior chamber to the anterior chamber of the eye.
Retina
The light-sensitive film lying at the back of the eye.
Sclera
The leathery, white bag forming the eyeball and containing all the intraocular structures. The sclera is shaped like a cup, which is closed by the transparent cornea at the front of the eye.
Pertaining to the eyeball and its covering membrane, the conjunctiva.
Oncologist
A medical doctor specializing in the treatment of cancer.
Oncology
The investigation and treatment of cancer
Ophthalmologist
A medical doctor specializing in ophthalmology.
Ophthalmology
The investigation and treatment of diseases of the eye and surrounding structures.
Optic nerve
The nerve connecting the eye to the brain.
Orbit
The bony cavity, padded with fat, which contains the eye, the ocular muscles, and any related blood vessels and nerves.
Posterior chamber
The cavity within the eye lying behind the iris.
Pupil
The central opening in the iris, through which light passes to reach the retina and through which aqueous flows from the posterior chamber to the anterior chamber of the eye.
Retina
The light-sensitive film lying at the back of the eye.
Sclera
The leathery, white bag forming the eyeball and containing all the intraocular structures. The sclera is shaped like a cup, which is closed by the transparent cornea at the front of the eye.