Eyes are considered to be one of the most sensitive parts of the human body. It can be affected in multiple ways that is why taking care of eyes is really important. Many people inherit poor eyesight from their family genes, it continues and has no other way than proper care to avoid it. There are a lot of diseases which indirectly affects one’s eyesight, for many people poor vision has been a lifelong nuisance that they’ve learned to manage while other people may experience perfect vision until one day when they realize things aren’t as sharp as they used to be. Vision impairment occurs when an eye condition affects the visual system or causing problem in one or more of its vision functions.
Bad eyesight, or blurred vision, is most commonly caused by a refractive error like nearsightedness , farsightedness or astigmatism. Refractive errors develop when the eye is unable to focus light directly on the retina.
- Anyone who reads for hours, works at a computer, or drives long distances your eyes will feel strained, give them some time off. It happens when you overuse your eyes. They get tired and need to rest, just like any other part of your body, making them restless for longer period can cause permanent damage to your eyes.
- Eye infections like pinkeye are relatively common and many others affect the eye and eyesight. Shingles involve the eye, the virus causes blisters, swelling and redness around the eye and eyelid. It can also cause severe inflammation inside the eye. Eye pain is also common. If you have shingles on your face, see the recommended doctor. Ocular shingles might be a cause of permanent damage of the eyes and vision.
- Vitamin A deficiency is a well-known cause of vision loss and blindness, as vitamins are essential requirements of our body. It often starts with minor night blindness or trouble seeing in the dark. It can also cause severe dry eyes leading to ulcer in cornea. Not getting enough vitamin C, vitamin E, lutein, omega-3 fatty acids, and zinc can increase your risk of developing cataracts further leading to blindness.
- High and low blood sugar swings can cause temporary changes in your vision. But diabetes can cause more serious eye problems when it’s not controlled, over long periods of time high sugar can damage the tiny blood vessels that supply your eyes causing permanent blindness.
- Eye conditions that can cause vision impairment and blindness such as cataract, trachoma and refractive error are, for good reasons, the main focus of prevention and other eye care strategies is to repair whereas dry eye and conjunctivitis must not be overlooked because it might lead to serious issues with eyesight.