There are many conditions that cause certain problems to the visionary organs which include ulcers of the cornea, cataract, glaucoma, aspects that create a harmful impact on the retina. The eyes of the people are said to be one of the most sensitive organs out of five sense organs which enables an individual to see the world circulating him. There are a variety of components that are contained in the human eye which are listed as follows:|
• White region of the eye is termed as sclera.
• A circular part which is pigmented & located at the center & this helps for the determination of the color & it is represented as iris.
• A dome which is located above the iris which is transparent, it is represented as cornea.
• The opening of the center of the iris which is circular in shape & the region which allows the light to peek inside is termed as pupil.
• A layer of the tissue which is transparent & this covers the inner surface of the eyelids & the front region of the eye excluding the cornea is termed as conjunctiva.
• The lens that is located completely behind the iris & the pupil that causes the focusing on the light is called as retina.
• The optic nerve helps for carrying the impulses from the retina along to the brain.
This organ casts an efficient role for conducting the regular activities throughout the day. Any certain harmful condition could lead for its destruction. Thus, the medical experts recommend that it is essential for achieving adequate knowledge regarding the causes of such problems & get them treated at the required time.
There are a variety of reasons which lead for such occurrences, they are listed as follows:
Here the people is able to observe the nearby objects clearly, but is unable to visualize them when they are located at a distance. This blurry aspect is mainly observed in school going children & this leads for acute headache on chronic basis.
• Hypermetropia or farsightedness:
This is described as a condition wherein the person can easily visualize the distant objects very clearly but possess blurred vision for the nearer situated objects. Strain on the eyes, headache are certain common symptoms.
This is commonly observed in those patients who are visually impaired. It leads for fogging of the lens & results into blurred vision & this does not allow visualizing properly with the help of glasses.
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