The medical condition of temporary blindness is characterized by the sudden loss of vision. Fortunately, this medical condition can be rectified with proper and timely medical assistance. There are several causes for the development of this condition that include cataract, glaucoma, optic nerve problem, presence of a foreign body in the eye, hypertension, TIAs, blood occlusion, and tumor in brain. Let us look deeply into each of these factors.
Accumulation of fluids in the brain cavity exerts additional pressure that tends to affect the nerve endings of optic nerve adversely. This results in temporary loss of vision that can be rectified by minimizing the intracranial pressure. Thickening of blood disrupts the flow of blood to the major organs of the body. When blood flow to the brain and optic nerve cells is restricted, the vision gets affected temporarily. Anticoagulants are administered to ease off this situation.
Severe cases of hypertension could also cause injury to the optic nerve and the optic disk resulting in temporary loss of vision. In such cases, it is advisable to seek assistance from an ophthalmologist or physician at the earliest as if neglected the condition could become permanent. The development of cataract blocks the normal pathway of vision. However, normal vision is restored once the cataract is removed surgically.
Certain psychologically issues such as excessive emotional stress are also known to cause temporary blindness. Temporary loss of vision could also be a repercussion of intake of certain medicines such as sildenafil and quinidine. Some of the other causes of this condition include adverse effects of chemical sprays and chemical products, and even something as minor as migraine headaches.
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An English scientist named John Dalton was the first person to highlight details about the medical condition of color blindness. As a result, the health disorder is also called Daltonism. In fact, he himself was known to be suffering from the disorder, which might have triggered the scientist’s interest in the condition.