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Treatment of Squint
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I have a family history of Glaucoma I have high myopia I have -14 number in both eyes I have thin retina due to which I see black spots in front of my eyes and also linings. Now my eye specialist told me to have check for Glaucoma as during her observation she suspected POAG but I have undergone through few tests like CCT and OCT and after seeing the report doctor said the reports are ok but still she needs reports one more test and that is humphrey visual fields afterwards she will be able to tell me whether I shud start medicine or not. I am confused and afraid right now whether I will loose my vision or am I safe. Please assist after considering all my problems.
Is it safe to use contact lenses? or any problems will occur if I use contact lenses? then, please tell me what are the possibilities of side effects of contact lenses.
I am a 26yrs old male and having eye irritate problem and it will comes to reddish and eye worm also. I had consulted to eye specialist but no result please give me the suggestion.
My eyes gets dried while working on computer or while studying. I had undergone lasik laser two years back & since then I m facing this problem. Doctors had advised me to use optive eye drop till my last breath for getting artificial tears i. E. They said that I have weak tear gland. Please give some useful advice.
My eyes is very weak. I hv to wear specs. please tell me lasik surgery. Is better or harmful? If not please tell me other option?
Colour blindness is not a type of blindness at all; it is an insufficiency in the way some people see colour. Once afflicted by this vision problem, people face difficulty in distinguishing specific colours like red, green, blue or yellow. So to call it colour vision deficiency would be much appropriate, and it hits men more often than women. In a report by Prevent Blindness America, it is revealed that about 8% of males and less than 1% of females are affected with colour vision problems. Generally, red and green colour deficiency is the most commonly found. In very rare instances, a person may carry a trait which lessens his ability to distinguish between blue and yellow colours. This blue-yellow hue insufficiency normally is found in men and women equally.
Understanding signs and symptoms: Do you have any difficulty in seeing yellow, green or red colours? Do people often tell you that you are seeing the wrong colour? If so, then these are key signs that you are affected with a colour perception deficiency. Quite opposite to popular belief, hardly a colour blind person is able to see only the shades of gray. Most people who are deemed as colour blind are able to see shades but cannot distinguish between one colour and another and get easily confused with other shades, depending on the kind of colour blindness they are affected with. If you have suddenly developed a colour vision deficiency when you were able to view and distinguish all the shades previously, then you should visit an ophthalmologist without further delay.
Causes behind colour blindness: Colour blindness takes place when the light-sensitive cells within the retina stop responding accurately to variations in wavelengths of light.
Photoreceptors present in the retina are termed as rods and cones. Rods are present abundantly, and about 100 million rod cells are present in human retina and these cells are very sensitive to light, but rods are impervious to sunlight and therefore, are incapable of perceiving colours. The cones, on the other hand, are responsible for our understanding of different colours. There are three types of cones, each of which is responsible for perceiving red, green and blue light. The three cones work together to help us see the whole range of colours. People who are colour blind usually have faults in a particular cone cell, which makes them unable to distinguish that particular shade.
Combatting colour blindness: Gene therapies are reported to cure colour blindness in monkeys, as per the reports of a study conducted by researchers of the University of Washington and Florida in September 2009. While early methods appear promising, gene therapy is not considered effective for human beings unless the treatments are verified to be safe.
Hence there is no effective means of curing colour blindness, but there are some strategies that may aid you to function better. However, if you are into graphic designing or anything that requires handling of different colours, then you will need professional help. The sooner you become aware of your insufficiency, the better you can compensate for it.
Some people also use contact lenses or eyeglasses that act as filters to enhance colour perception. If you are affected by this problem, make sure you visit an eye-care practitioner for detailed advice.