Professional production EL panel products for 15 years

Possible visual distortion caused by progressive glasses

by:Huihang     2020-06-27
In the world of presbyopia correction, there also been a wide variety of items that have been effective in dealing with this age related eye problem. The first form was reading glasses, followed by bifocal reading glasses, trifocal spectacles, bifocal safety specs and progressive glasses. While providing important function of offsetting problem caused by presbyopia, each category of these devices has their respective has got. It is also widely known which the newer device probably brings more benefits due to its more advanced design and manufacturing. All these sayings are applicable to progressive reading glasses. While many recognize those great advantages brought by progressive addition lenses, there are still some commonly reported side effects associated with these listings. It is equally important to look at the downside. One of the commonest problems related to progressive glasses is visual distortions. In detail, the gradient of increasing lens power offered with a progressive lens may create still regions of aberration away from the optic axis. This will produced poor visual resolution or blurriness. From this analysis, some people may say that it is the same lens design that grants presbyopic patients with the significant benefit of smooth power transition. In other words, image jump and possible consequences like headache and dizziness are in fact removed by the unique progressive lens design. Now, it is also this design that may cause visual distortion. This is not an unreasonable claim, but a proven fact using some cases reported by users. Nowadays, most manufacturers of progressive glasses claim an acceptance rate ranging from 90% to 98%. This percentage varies in relation towards lens quality. However, only a real experience can make the true feeling at your disposal. Even a tiny discomfort at the side of customers will be intolerable. It is encouraged by clinicians that the ultimate way to avoid adaption problems is to start wearing progressive spectacles from an early stage of presbyopia. Lacking help the wearers easily adapt into the increases in addition power as the presbyopia advances. C: Progressive glasses are not perfect, even if nevertheless widely praised for your comfortable power increment or transition. One amongst the commonest complications is visual distortions. Default Author Bio: Firmoo.com is the fastest growing online community selling first-rate yet cheap prescription eyeglasses, prescription sunglasses online along with eyewear. Firmoo's return and refund policy makes you buy with Firmoo risk-free.
Custom message
Chat Online 编辑模式下无法使用
Chat Online inputting...