ISSN: 2044-9038 (Print) 2044-9046 (Electronic)

Clinical Practice

Eye Top Journals

The human eye is an organ that reacts to light and allows vision. Rod and cone cells within the retina allow conscious light perception and vision including color differentiation and thus the perception of depth. The human eye can differentiate between about 10 million colors and is possibly capable of detecting one photon. The eye is a component of the sensory systema nervosum. Similar to the eyes of other mammals, the human eye's non-image-forming photosensitive ganglion cells within the retina receive light signals which affect adjustment of the dimensions of the pupil, regulation and suppression of the hormone melatonin and entrainment of the body clock. There are two eyes, situated on the left and therefore the right of the face. They sit in two bony cavities called the orbits, which are present in the skull. Six extra ocular muscles attach on to the eyes to help with movement. The front visible a part of the attention is formed from the whitish sclera, a coloured iris, and therefore the pupil. A thin layer called the conjunctiva sits on top of this. The front part is also called the anterior segment of the eye. The eye isn't shaped sort of a perfect sphere; rather it's a fused two-piece unit, composed of an anterior (front) segment and therefore the posterior (back) segment. The anterior segment is formed from the cornea, iris and lens.    

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