Introduction
Generally, we all know about the parts of the eye which are Sclera, Cornea, Iris, Pupil, Lens, Retina, Optic nerves. Each part has its own function.
Sclera is to support the wall of the eyeball, maintain eye shape and protect it from injury, covered by conjunctiva which clear the mucus membrane to lubricate the eyes, muscles attached to it to move up and down, side to side.
Iris to control pupils that help to see clearly, restrict the light to pass through the eye over to the Retina, protection to the eye from over microorganism, allows color detection in the eye.
Pupil lets light into the eye as the muscles of the iris change its shape.
Lens in the eye focuses light passing through the pupil then goes to the back of the eye to hit the retina
Cornea contributes about 80 percent of total refraction, while the lens fine tunes the focusing of light onto the retina.
Retina, a layer of nerve tissue that is the inner wall of the eyeball, which is a photoreceptors and processing mechanism for visual information.
Optic nerves relay messages from your eyes to the brain to create visual images, they play a crucial role in your ability to see, millions of nerve fibers make up each optic nerve.If it is damaged, it leads to vision loss in one or both eyes.
Simple explanation is optic nerve which connect eye with brain to get a vision, the cornea is outer eye acts to reflect the light to iris which control and restrict the light passing through the pupil, which has the muscles in iris to change the shape, acts as a lens to focus the light which passes through to reach retina, it is inner wall to receive the image or photos which is a mechanism for visual information.
We as assessor came to observe in notes that untidy work, overlapping the letters, changing the spelling especially with vowels, terminating the final letter, confusion of numbers like 27- 72,80-08.
Some may feel because of blurry vision to consult with ophthalmologist to check to wear the glass, even though same to arouse ,it mainly due to the domination of light which focus more on nearby image which reflect the brain to receive in the photoreceptor.
If it so consult with ophthalmologist and helpers ,therapist to come out of the problem