Astigmatism
Defective curvature of the cornea or lens of the eye
Conjunctive
Serving to bind together; connective
Hyperopia
Farsightedness; difficulty seeing close objects when light rays are focused on a point behind the retina
Lens
Biconvex transparent body situated behind the iris in the eye
Myopia
Nearsightedness ; lack of foresight ;
Mystagmus
Involuntary rhythmic motions of the eye
Presbycusis
Hearing loss due to aging
Presbyopia
Impaired vision as a result of aging
Refraction
Bending of a ray of light
Retina
Innermost layer that perceives and transmits light to the optic nerve
Sclera
Tough, fibrous, white outer coat extending from the cornea to the optic nerve
Tinnitus
Ringing in the ears
Vertigo
Dizziness