Aphakia
An absence of the crystalline lens of the eye (pseudophakia: having a false lens).
Cataracts
A condition when the crystalline lens of the eye becomes opaque.
Congenital cataract: one, which originates at
birth.
Hyper-mature: the lens has become either
solid and shrunken or soft and liquid.
Incipient: any cataract in its early stages.
Mature: the lens is completely opaque.
Senile: a hard opacity of the lens occurring in the
aged.
Traumatic: cataract following an injury.
Conjunctivitis
Inflammation of the conjunctiva; commonly referred to as "pink eye."
Cycloplegia
Paralysis of the ciliary body; cycloplegic drops are used for diagnostic purposes.
Glaucoma
An ocular disease having as its primary characteristic a sustained
increase in
intraocular pressure that the eye cannot withstand
without damage to its
structure or impairment of its function.
Primary symptom is a loss of peripheral
vision
Mydriasis
Prolonged or excessive dilation of the pupil of the eye. Mydriatic
drops cause
such dilation.
Nystagmus
Rapid, involuntary oscillation of the eyeballs, usually the result of
brain or ear
disease.
Photophobia
Abnormal sensitivity to light; light discomfort.
Ptosis
Paralytic drooping of the upper eyelid.
Scotoma
A blind area of reduced vision in the visual field.
Strabismus
Failure of the two eyes to simultaneously direct their gaze at the
same object
because of muscle imbalance