Ankh Tattoo Meaning An Egyptian symbol of love and life, the two are interconnected in an inseparable way with the Ankh, also known as the crux ansata in Latin. This cross-like sign is one of the most common in Egyptian iconography, pictured with all of the gods and goddesses of their religious tradition.
Night blindness is due to a disorder of the cells in the retina that are responsible for vision in dim light. It has many causes, including: 1  Nearsightedness. 2  Glaucoma.3  Glaucoma medications that work by constricting the pupil. 4  Cataracts.5  Diabetes. 6  Retinitis pigmentosa. 7  Vitamin A deficiency.ight blindness is due to a disorder of the cells in the retina that are responsible for vision in dim light. It has many causes, including: 1  Nearsightedness. 2  Glaucoma.
Problems with night vision -- or at the extreme, night blindness -- may be treatable or could be a sign of a congenital problem such as retinitis pigmentosa or other more serious conditions. On the other hand, poor night vision may simply be a sign of an untreated need for glasses, especially if you are nearsighted.