Limbus: demarcation zone between iris and sclera.
Medial: nasal or towards the nose.
Microphthalmia: abnormally small size of eye.
Nasal: toward the nose.
Ocular prosthesis: artificial eye.
Phthisis bulbi: shrinking of eyeball following injury, Infection or disease.
Posterior: back surface.
Pupil: black spot in the iris, which opens into the interior of the eye.
Sclera: white portion of the eye.
Scleral shell: flush fitting thin artificial eye usually fit over Phthisis bulbi (shrunken eye).
Stroma: main body color of the iris.
Sulcus: upper eyelid depression.
Superior: upper, as in upper eyelid.
Temporal: toward the ear.