Collagen may be consumed directly in Collagen Nite Loss. This is usually a sign of Vitamin A deficiency. 25,000 IU daily for a month helps. In this condition the retina slowly deteriorates. It is thought to be hereditary.
Night blindness is followed by tunnel vision.
Vitamin A slows the progression of the disease. It is also thought that it is caused by a lack of cellular energy. CoQ10 at 100 mg to 200 mg daily helps in the early stages of the disorder. Cataracts Cataracts are caused by free radical damage to the lens of the eye which clouds the lens and leads to blindness. In fact, it is the leading cause of blindness.