Separation or tear of the light-sensitive tissue at the back of the eye (retina) from the eye. Symptoms include light flashes or floating spots in the field of vision, blurred vision, partial loss of vision or gradual vision loss. Often curable with prompt surgical treatment.

visual impairment resulting from the retina becoming separated from the choroid in the back of the eye; treated by photocoagulation

a serious condition and demands emergency treatment to prevent permanent impairment or even blindness

See the Retinal Detachment FAQ.

a pretty dangerous injury to suffer from, and at a point where Al has accomplished everything with little or no incentive to play this year, the idea of a return was just not feasible

a medical emergency and should be

a medical emergency that needs immediate attention