A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2021; you can also visit the original URL.
The file type is
Astigmatism correction for distance and near vision
The clarity of the retinal image decreases as a result of non-corrected astigmatism. It contributes to the deterioration of the quality of vision and to a blurred vision. Thus, a clear vision can be achieved neither at distance nor when looking at nearby objects. Such blurry vision leads to asthenopia, headache, migraine, decreased reading speed and finally can become a cause of learning difficulties for a child or a student. In order to avoid such difficulties, there is a need to correct evendoi:10.33791/2222-4408-2019-1-46-51 fatcat:dc3a46rpybh35ifbt5v4gisdvy