Exfoliation syndrome is the most common cause of lens subluxation worldwide. Younger patients with anterior lens displacement often have underlying causes, such as ciliary block, Weill–Marchesani syndrome and Marfan syndrome. The latter is the most common cause of hereditary ectopia lentis. Why do people’s eyes move side to side? NystagmusRead More →
Depending on a few factors, such as the material, type and coating, the costs will range anywhere from as little as $150 to as much as $350 for just the lenses without insurance. This price won’t include your prescription or the frames. Does putting transition lenses in the freezer help?Read More →
Scleral lenses are contact lenses that are about the size of a soft contact lens. They fit on the conjunctiva, or white part of the eye, so they are very comfortable just like a soft contact lens. Are scleral lenses more comfortable than RGP? This lens is larger than aRead More →
These lenses, in general, reflect more light than traditional plastic lenses, which means that opting to do without the anti reflective coating will cause more problems for the wearer throughout the lifetime of the lens. Is anti-glare bad for your eyes? Anti-reflective lenses give you clearer, sharper vision But harmfulRead More →
In general, you can put prescription lenses in any frames. … We might be able to add your new lenses to your old frames. Getting new lenses for old frames isn’t usually something we recommend, as it’s best to update your frames at the same time as your lenses, butRead More →
10 affordable lenses for Canon users Canon EF 50mm f1. 4 USM Lens. Canon EF-S 18-55mm f4-5.6 IS STM Lens. Sigma 18-200mm f3. 5-6.3 DC C Macro OS HSM Lens. Canon RF 16mm f2. 8 STM Lens. Sigma 10-20mm F3. 5 EX DC HSM Lens – Canon Fit. Canon EF-SRead More →
Bifocal vs Progressive Lenses Progressive lenses provide the most natural vision for the wearer by seamlessly transitioning between near and far prescriptions within the lens. Whereas, a bifocal lens is separated into distinct areas of near-and-far-vision prescriptions. Which is better bifocals or progressive lenses? Compared to bifocals, progressive lenses haveRead More →
According to an Essilor spokesperson, the Zeiss’ license for its ‘713 patent extends to Shamir, the Israel-based lens manufacturer of which it owns a 50 percent share. … Essilor is the second lens maker to sign a license agreement with Zeiss concerning its patent on back-surface free-form progressive lens technology.Read More →
Because of its incomplete oxygen permeability, RGP contact lens can reduce the use of oxygen in corneal tissue. Hypoxic damage caused by long-term wear of RGP contact lens can affect the morphological and biological characteristics of the cornea. How long can you wear RGP contact lenses? Currently, the maximum wearingRead More →
Oakley PRIZM Polarized lenses are great for glare reduction and recommended for water activities or driving. … The main drawback to polarized lenses is that they throw off depth perception due to the polarized filter that cuts out the horizontal wavelength found in glare. What are the best Oakley replacementRead More →