| RET | visual receptor cell sensitive to color |
|---|---|
| RET | visual impairment resulting from the retina becoming separated from the choroid in the back of the eye |
| RET | a red photopigment in the retinal rods of vertebrates |
| RET | visual receptor cell sensitive to dim light |
| RET | either of two yellow to red retinal pigments formed from Rhodopsin by the action of light |
| RET | inflammation of the retina |
| RET | malignant ocular tumor of retinal cells |
| RET | an unsaturated alcohol that occurs in marine fish-liver oils and is synthesized biologically from carotene |
| RET | the group following and attending to some important person |
| RET | go to bed in order to sleep |
| RET | in baseball |
| RET | lose interest |