Full Defination Of Human Eyes
Human Eye
Full Defination Of Human Eyes |
The eyes are sensitive organs of sight. Eyes help us in seeing the word around us. They are small in size but are one of the most complex organs of the human body the eye is approximately 2.54 CM wide, 2.5 CM Deep, and 2.3 CM tall
Vitreous
Full Defination Of Human Eyes |
The vitreous is a transparent, thick substance in the large back section of the eye. It gives form and shape to the eye. It is mainly made of water. The vitreous gradually thins with age takes a liquid form.
Macula
Full Defination Of Human Eyes |
The macula is a small and sensitive part of the retina. It is located in the centre of the retina. The macula is responsible for detailed Central vision required for activities like reading. The centre of the macula is called the fovea.
Myopia
Full Defination Of Human Eyes |
Myopia is an eye condition in which a person can see near objects clearly but distance vision is unclear. It is also known as short-sightedness or near-sightedness. The defect usually develops in childhood and adolescence and is thought to be hereditary. Myopia is caused when the cornea becomes too long. It can be corrected by using a concave lens. Radial keratotomy is a surgical process to correct myopia by reshaping the cornea. It was developed in the world 1970s.
Hypermetropia
Full Defination Of Human Eyes |
Hypermetropia is an abnormal conditions of vision in which a person can see distant objects but cannot see near objects clearly. It is also known as long-sightedness or for-sightedness. Hypermetropia is caused by the shortening of the eyeball that disables the eye to focus on near objects. It can be corrected by using a convex lens.
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