abnormal susceptibility to age-related retinal degeneration +
abnormal total retina thickness +
absent retina
decreased susceptibility to induced retina damage
decreased ventral retina size
increased retina tumor incidence +
retina coloboma
retina degeneration +
retrogressive pathological change in the thin layer of neural tissue lining the back of the eyeball, which contains visual receptors and can result in the impairment or cessation of retinal neural function