We need to consider and examine the data of old cheapest eyeglasses, inquire about their subjective feelings, and check their corrected vision. We also need to consider visual functions such as age, occupation, eye position, adjustment, and concentration.

In general (with no abnormalities in visual function), the subjective feeling is completely clear enough, and daily life also feels that there is no problem with persistent vision. It is completely possible to not change the glasses data or slightly improve the clarity. Some people, due to potential eye diseases, temporarily experience a decline in vision, but mistakenly believe they are nearsighted and wear myopia goggles.

We need to check the far and near horizontal eye positions to ensure that the discountglasses prescription we provide can always keep the eye position within the normal range. When calculating the degree of low configuration during close use, at least the eye position can be kept at the edge of the normal range.

Consider 2 pairs of glasses or anti-fatigue, digital functional lenses. If it is a large exotropia, try to match as much as possible under acceptable conditions, to keep the eye position within a normal range. In this way, the brain will not use too much fusion image collection, so it is naturally less prone to fatigue.

The adjustment range also needs to be checked. If the adjustment range is too small, a slightly lower configuration can also be considered, so as not to make it very difficult to get close with new glasses, which can also cause visual fatigue. Wearing corrective eyeglasses online cheap when looking up is training. Just stop as soon as you feel tired.