Refractive Errors-related questions
The eye is made by Allah in such a way that there are two lenses that refract the rays coming from any object in front and focus them on the retina. This process forms an image of the object in the brain. Focussing system of many people is inefficient, due to which objects blurred to these people. This situation is called refractive error. There are different reasons of this blurring. People facing this blurring should try to understand their problem. When they will understand their issue then they will look for the solutions. As there are different reasons for the blurring so there are different ways to get rid of glasses. What are the reasons? And how those causes can be resolved? In the following posts different aspects of visual impairment and their treatment have been discussed.
- What are types of glasses used for distant and near vision? which is the best?There are different types of lenses available in the market, which one is the best? There are three types of spectacles that are used to work at different distances: Bifocal Trifocal Progressive or multi-focal [/vc_column_text][/vc_column][/vc_row][vc_row][vc_column][vc_single_image source=”external_link” external_img_size=”3000×600″ title=”The image below shows the bifocal lenses. These are the lenses that have two parts, one part is… Read more: What are types of glasses used for distant and near vision? which is the best?
- Does weakness’ of vision occurs in children due to study?The general idea is that when the burden of reading increases, the vision begins to weaken. Is this correct? Is reading harmful to children’s eyes? Many children are very young when they are diagnosed for refractive error. At what age is the risk of poor eyesight higher? When will the first manifestation of visual impairment… Read more: Does weakness’ of vision occurs in children due to study?
- When it becomes essential for a child to wear glasses?What precautions should be taken during their study for prevention of their eyesight? In fact, the only precautionary measures can be taken to prevent visual impairment. Protect children from situations that increase their risk of visual impairment, such as playing computer games, watching cartoons. Screen time must be in balanced way. And when children do… Read more: When it becomes essential for a child to wear glasses?
- What harm will occur if I don’t use glasses?What are the problems that has to face a person who doesn’t not use glasses regularly? There are many problems with not using spectacles regularly which can be easily overcome with the right use of spectacles. Some of the issues are listed below: Blurred vision while watching TV, driving, or reading; And ggod visual performance… Read more: What harm will occur if I don’t use glasses?
- When I should use glasses?When to wear glasses? during near work or in far vision? This is a big common misconception; people think that spectacles are for either far distance work or for near work. In fact, majority of patients should wear glasses all the time. If not used in this way, the glasses are practically useless. Especially before… Read more: When I should use glasses?
- Why vision becomes week?There are various causes of visual impairment such as big eye, injury, diabetes mellitus, etc Main reason for the weakness of most people before the age of 40 is the diversity in the structure of the eye. If the focus is a little worse, the brain will be able to focus more by making changes… Read more: Why vision becomes week?
- AstigmatismThese are those patients who wear glasses with plus cylinder numbers having specific angles. This type of defect may not be very high but creates much discomfort and headache. These glasses may be plus number or may be minus number or even mixed. Typically they are always trying to see without glasses and squeezing their… Read more: Astigmatism
- HypermetropiaThese are those patients who wear glasses with plus numbers. Some of them have lenses with very high numbers as seen in the pictures below The eyes of the person wearing such type of glasses appear slightly bigger These patients naturally have an eye defect that develops during the period from childhood to adulthood. Actually… Read more: Hypermetropia
- MypiaThese are those patients who wear glasses with negative numbers. Some of them have lenses with very high numbers as seen in the pictures below. These patients naturally have an eye defect that develops during the period from childhood to adulthood. Actually the length their eyeball is longer than normal as seen in the picture… Read more: Mypia
- What is the reason of weakness of vision? Why people wear different types of glasses?You must have seen different people wearing different types of glasses. Some have difficulty in near work and some have difficuly in far vision. This is due to the types of defects which are different in different people. Mostly the reason is variation in growth of eyeball. Some people’s eyeballs are smaller than normal they… Read more: What is the reason of weakness of vision? Why people wear different types of glasses?
- What to do before laser??What to do before a laser operation You should know that “What is the aim of the treatment?” You should be within the age limit; best age is from 18 years to 40 years. If you are determined then set the treatment as your first priority as it is a costly procedure and you will… Read more: What to do before laser?
- What are the disadvantages of laser treatment?This treatment is very useful in otherwise healthy eye, especially when the number of glasses is small. The treatment results are excellent. However, if there is a high number of glassess, such as 16.0- or 17.0- etc., then it is dangerous so alternative methods should be adopted instead of laser. If someone already has some… Read more: What are the disadvantages of laser treatment?
- What is nature of operation? What kind of changes are created?As the cornea plays major role in focusing the light rays entering into the eye, so by altering the curvature of cornea we can alter the refractive state of the eye. This is the basic technique which is used in this operation. The curvature of the corneal surface is altered with computerized calculations and then… Read more: What is nature of operation? What kind of changes are created?
- Is there any other method to get rid of glasses?Is there any other way to get rid of glasses? If you are thinking about some exercises of some drugs then the bitter fact is that there no such treatment. There is vast research going on throughout the world but yet no success. Many alternative medical physicians have claims but nothing could be proved till… Read more: Is there any other method to get rid of glasses?