Ludisia discolor
by
david hamilton
The Jewel Orchid chilling in the low light area between the computer desk and the TV.The flowers have finished, so the spike has ...
How Do You Measure Eyesight
by
Ruth S.
How Is Eyesight Measured?Take Care Of Your VisionHuman eyes are more likely to worsen as they get older, and hence it is vital t ...
Color vision deficiency - Genetics Home Reference These changes lead to an absence of L or M cones or the production of cones with abnormal visual properties that affect red-green color vision. ...
Prevention
Inherited (genetic) color vision deficiencies cannot be prevented. If you developed your deficiency as a result of pre-existing ... » Read on
Treatment
Compensating and adapting There is currently no cure for inherited color vision deficiency. It is simply not possible to repai ... » Read on
Friedreich's ataxia Vision, particularly color vision, is often mildly affected. ...Abnormal muscle control and tone lead to spinal changes and scoliosis, or kyphoscoliosis ...