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People who have poor hygiene are at risk of becoming blind.If your work involves dealing with sharp objects, then you should refrain from getting your eyes in close contact with the sharp objects to prevent chances of any eye damage that may lead to temporary or permanent blindness.People who undergo eye surgery may become blind.Here are some of the factors that may make you more prone to becoming blind. Else, it can be caused when there is blockage due to a clot in a blood vessel. The clot blocks the retinal artery which may cause blindness. Temporary blindness can last for about half an hour, after which if treatment is not undertaken, you may lose your vision permanently. A formation of a clot can cause temporary vision loss which can lead to a permanent or total loss of vision when prompt treatment is not undertaken. Sudden total vision loss can be caused due to a clot. Temporary loss of vision can eventually lead to a buildup of fluid in the eye which can cause further swelling. This blockage can be caused due to a blood clot. In this condition, a retinal vein gets blocked. Retinal vein occlusion rarely causes Sudden Blindness but it can still lead to temporary vision loss. People with multiple sclerosis who experience a rise in their body temperature can become temporarily blind in one or both eyes. This can cause loss of vision when the seizure is taking place or after the seizure.Īnother rare cause of Sudden Blindness is uhthoff phenomenon which affects people who have multiple sclerosis. About 10% of people who suffer from epilepsy, the seizures can have an impact on the occipital lobe. Epileptic seizures can cause migraines although these are rare occurrences. This may happen right before your migraine or when you are having a headache. You may not be able to see for about 20 minutes. A retinal migraine can cause Sudden Blindness in one eye. There are some rare causes of sudden loss of vision. This can cause blockage of light which then cannot enter the eye and it makes it difficult for you to view anything. Another cause of Sudden Blindness is vitreous hemorrhage in which blood leakage occurs. If this is not diagnosed and treated on time, then it may lead to permanent vision loss as well. You can see halos and may experience sudden blurred vision. It can lead to a host of different problems. This is caused due to the bulging of the iris in your eye which prevents eye fluid to drain properly. Another cause of temporary vision loss is retinal vasospasm in which blood flow is impacted due to the tightening of the blood vessels in your retina.Ĭlosed-angle glaucoma can lead to temporary blindness in one eye due to excessive pressure on the eye. If left untreated, it can cause long-term or permanent blindness too. This can cause temporary vision loss in people who are over 50 years old. Giant cell arteritis is another cause of temporary blindness in one eye. Migraines cause Sudden Blindness in both eyes. Migraines may cause blind spots or you may feel like you are seeing flashing lights. Migraines are the most common causes of temporary vision loss. Sudden partial vision loss can be caused due to multiple reasons.