Which eye defect should we wear glasses for?

Wearing corrective glasses is not intended for many patients visiting the ophthalmology office, which is why many people delay their visit until acute vision problems actually worsen. However, more and more often the situation in which patients after several hours of looking at the screen, blackboard at the university, or documents at work notice a problem with blurry letters or a problem with refocusing their eyes on more distant objects after long work with close eyesight. Small vision defects, which we often encounter in such cases, allow us to ask the question – is it necessary to wear corrective glasses with a defect of 0.5 or less? We answer.

Prescription glasses with a small visual defect

The task of well-fitting corrective glasses is to improve the quality and acuity of vision in patients suffering from myopia, farsightedness, and astigmatism or eye accommodation problems. As a rule, however, the necessity to wear glasses is associated with greater visual impairment, when the patient begins to have a serious problem with seeing near or far and the visual impairment makes it difficult for him to function daily without glasses. For minor visual impairment, the matter becomes more controversial – some ophthalmologists recommend Lindberg Eyewear, while others see no need for them. As it turns out, a lot depends on the patient himself.

Vision defects within 0.5 D or less are treated as minor vision defect that does not adversely affect the quality of life and vision in humans. The concept of quality is, however, relative here, because even one patient may not experience any problems with eyesight and learn the defect completely by accident, e.g. during periodic medical examinations at work, for the defect of 0.5 will be noticeable in everyday activities and will make it difficult to work at the computer or, as is the case with many young people, copying chalkboard notes. In this case, the use of glasses, even for the time of stay at school or at work, may be advisable, because it is better to support eyesight when the defect is still small than to overstrain it by trying to ignore the defect.

Can failure to wear glasses with a small defect deteriorate eyesight?

Unfortunately, although in Poland there is still a belief that eyes with a slight vision defect should not be used to glasses, because exercises can eliminate the vision defect, in practice it is quite the opposite. As evidenced by the latest ophthalmic knowledge and practices on which ophthalmic treatment is currently based, not wearing glasses with a visual defect may exacerbate it. The problem here arises from the necessity of excessive eye strain, whether in looking close or far and over time if the eye is not properly supported by corrective glasses, its ability to see acutely may weaken and the defect will increase. The rate of vision deterioration and the growth of the defect in the absence of glasses is not the same for all patients, especially in the case of small visual defects.

Coming back to the aforementioned guiding the patient’s interests, many ophthalmologists, when finding a minor eye defect, ask directly whether seeing near or far hinders the patient’s normal functioning. We assume here, of course, that the patient will not hide the reality just to avoid wearing glasses – after all, Ortho-K contact lenses are a great alternative to frames, which are invisible and more comfortable for those who do not like glasses. Anyone who has been diagnosed with even a small eye defect must take into account that eyesight deteriorates with age and in combination with today’s lifestyle and the technology that surrounds us, the rate of deterioration of eyesight may increase.

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