Wearing soft contact lenses can cause dry eyes as they contain water that evaporates during the day and absorbs moisture from the eye. Rigid gas permeable lenses do not contain water but can repel it, making them worse for dry eyes. Hydrogel lenses are a compromise. Extensive use of contacts can damage the outer layer […]
Aspherical lenses have a complex surface profile that eliminates distortion and can replace multiple lenses, making systems smaller and lighter. They are commonly used in photography, eyeglasses, and contact lenses. Aspherical eyeglass lenses are more expensive to manufacture than conventional types but provide a more aesthetically pleasing appearance. They are also thinner and lighter, making […]
Contact lenses can cause uncomfortable dryness over time, but recent improvements in materials have made them more comfortable for dry eye sufferers. Brands like Proclear® Compatibles and Acuvue® Oasys are made with a hydrogel material that holds less water than previous lenses, making them ideal for people with chronic dry eyes or who are exposed […]
Progressive lenses offer smooth vision without lines or clearly defined areas, making them a popular choice for correcting presbyopia. Adjusting to them can take time, and fit is key. They are also available in contact form and alternatives include multiple pairs of single lenses or traditional bifocal/trifocal lenses. Progressive lenses are lenses used to correct […]
