In general, during rough optometry, astigmatism and overcorrection may occur. For example, in computer and inserted optometry, this error often occurs, which is related to squinting and blinking when using the computer.
When using a computer for optometry, childrens eyeglasses need to be held against the balloon or house in front of them. Remember not to blink your eyes (but you can't keep them open hard, even if your tear film is broken, it can be troublesome). This way, the reading accuracy will be more accurate, and blinking or squinting can easily lead to incorrect readings.
So why has it been said that besides advanced techniques, optometry can indeed make the results more accurate?
Photometry and optometry can completely avoid degree errors caused by blinking and squinting. Compared to the instantaneous recording of computer optometry, optometry, and optometry are a process that will not result in incorrect results due to a single blink throughout the entire process.
Of course, most parts of the best place to buy eyeglasses undergo optometry. Through meticulous subjective optometry, this error can also be avoided as much as possible during computer optometry. However, if it is a combination of computer and film insertion, it is easy for astigmatism to be overcorrected or misaligned.
Excessive correction of cheap eyeglasses near me of astigmatism or inaccurate axis position may not make things look very blurry, but there may be deformation and a feeling of uneven road surface. If you feel like this, you need to undergo a new optometry.
