Psychological Effects of Poor Eyesight - Assignment.
A red eye is usually nothing to worry about and often gets better on its own. But sometimes it can be more serious and you'll need to get medical help. Common causes of a red eye. Lots of different things can cause a red eye. Your symptoms might give you an idea of what's causing it.
Eye disease such as glaucoma, cataracts, age-related macular degeneration and diabetic retinopathy are some of the common causes of reduced vision and blindness (Short, 2008). Glaucoma is a progressive eye disease where the damage of optic nerves resulted in visual field loss.
If you have eye fatigue or pain, see an eye doctor to make sure a deeper medical condition isn’t to blame. If the problem doesn’t go away, make an appointment for a full eye exam.
What Causes Bad Eyesight It is estimated that up to 60% of the UK’s population require glasses or contact lenses, including 2 million teenagers. The high number of people with bad eyesight can be attributed to a number of factors, including an ever-ageing population; getting older is a primary cause of poor vision.
One of the major keys to understand about natural vision improvement is that your eyes do not exist in isolation. Rather, they are an integral part of your total being affected by - and affecting - the body, mind and emotions in a profound way. All parts of the visual system - the eyes, the muscles around and in the eyes, the nerve pathways to the brain and the visual centers of the brain.
The human eye can distinguish about 10 million colors.(1) In common with the eyes of other mammals, the human eye's non-image-forming photosensitive ganglion cells in the retina receive the light signals which affect adjustment of the size of the pupil, regulation and suppression of the hormone melatonin and entrainment of the body clock.
What can cause poor eyesight in the elderly? There are a number of factors that can cause vision to deteriorate amongst the elderly, however it may simply be due to the ageing process. This is because as we age the lenses in the eye lose their elasticity and ability to focus on near or distant objects.