It is possible for you to get blindness because of your father's night blindness. However, not all night blindness is hereditary. In the night or dark environment you will find the action difficult to do because of bad vision. You may get the nyctalopia. There are several types of night blindness and their relative causes. First of all, it is the temporary night blindness. It is due to the lack of vitamin A because of certain digestive system. The absorption of vitamin A will cause the retinal stab cell to have no synthesis rhodopsin and cause the temporary night blindness. As long as you eat pork, liver, carrot, cod, liver oil and so on, you can complement vitamin A deficiency and the night blindness will soon be healed. In the second place, it is the acquired night blindness which is caused by the cell malnutrition in the retinal stab. Its lesions are caused by the diffuse extensive choroidal ischemia atrophy. With effective treatment, your night blindness will get recovery gradually. Last of all, it is the congenital night blindness which belongs to the congenital genetic eye disease. It is the retinal pigment denaturation, stab cell dysplasia and lost synthesis rhodopsin qualitative function that cause the night blindness.
