Eye Diseases Essay

October 19, 2017 March 26th, 2018 General Studies


A cataract is a clouding of the lens in the oculus that affects vision. Most cataracts are related to aging. Cataracts are really common in older people. By age 80. more than half of all Americans either have a cataract or hold had cataract surgery. A cataract can happen in either or both eyes. It can non distribute from one oculus to the other. Although most cataracts are related to aging. there are other types of cataract: 1. Secondary cataract- Cataracts can organize after surgery for other oculus jobs. such as glaucoma. Cataracts besides can develop in people who have other wellness jobs. such as diabetes. Cataracts are sometimes linked to steroid usage. 2. Traumatic cataract- Cataracts can develop after an oculus hurt. sometimes old ages subsequently. 3. Congenital cataract- Some babes are born with cataracts or develop them in childhood. frequently in both eyes. These cataracts may be so little that they do non impact vision. If they do. the lenses may necessitate to be removed. 4. Radiation cataract- Cataracts can develop after exposure to some types of radiation.


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Glaucoma is a group of diseases that damage the eye’s ocular nervus and can ensue in vision loss and sightlessness. However. with early sensing and intervention. you can frequently protect your eyes against serious vision loss. At first. open-angle glaucoma has no symptoms. It causes no hurting. Vision stays normal. Glaucoma can develop in one or both eyes. Without intervention. people with glaucoma will easy lose their peripheral ( side ) vision. As glaucoma remains untreated. people may lose objects to the side and out of the corner of their oculus. They seem to be looking through a tunnel. Over clip. straight-ahead ( cardinal ) vision may diminish until no vision remains.


Astigmatism is a common type of refractile mistake. It is a status in which the oculus does non concentrate light equally onto the retina. the photosensitive tissue at the dorsum of the oculus. Astigmatism occurs when visible radiation is dead set otherwise depending on where it strikes the cornea and base on ballss through the orb. The cornea of a normal oculus is curved like a hoops. with the same grade of rotundity in all countries. An oculus with astigmia has a cornea that is curved more like a football. with some countries that are steeper or more rounded than others. This can do images to look blurry and stretched out. Signs and symptoms include:

* Concerns
* Eyestrain
* Squinting
* Distorted or blurred vision at all distances
* Difficulty drive at dark

If you experience any of these symptoms. see your oculus attention professional. If you wear spectacless or contact lenses and still hold these issues. a new prescription might be needed.


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