Horse A - This view of the horse's left eye clearly shows the concentric rings of a cataract typical of older horses.
Cataract in only one eye in a 31 year old Arab G.
Horse A - The right eye with no visual cataract, but they would be evident using an ophthalmoscope.
This cornea has permanent damage with scar tissue and blood vessels coming from the sclera (the white outer part of the eyeball) onto the cornea. There are cataract changes (opacities) in the lens seen as bright spots through the pupil giving this horse very limited vision.
A cataract is visible without the aid of an instrument.
