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The specialist can also check your vision. RD is diagnosed by an eye specialist using a special lamp to look into the back of your eye. Occasionally the second eye is also affected.
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If RD is not treated promptly, it can lead to severe visual impairment in the affected eye. If it is RD, the quicker it is treated, the better the outcome. It is very important to see your doctor or optician immediately if you have any of these symptoms.
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The cones help us to see in the daylight, and form colour vision. These cells react to light and send electrical signals via the optic nerve to the brain. There is an inner layer of 'seeing cells' called rods and cones. The retina is made up of two main layers.