They have to fit well—and needless to say, you have to keep them on so long as you are in the sun. Whatever you do, be sure you protect your eyes from ultraviolet rays. Make sure your sunglasses offer 100% UV protection and wear them anytime you leave into the sun. Polarized lenses cut reflected…
Requesting a Toric IOL could eliminate the need for contacts or glasses after surgery. Mydriatic eye drops stimulate sympathetic nerves and cause relaxation and contraction of the ciliary and dilator muscles, respectively. Consequently, lens thickness is reduced, and the anterior chamber depth is increased. Therefore, pupil dilation may influence IOL power calculation formulas, such as…
This material also repels liquid, so microfiber sheets are less inclined to develop stains from spills and accidents. Microfiber sheets are made with synthetic fibers while cotton sheets are made with natural fibers. The warranty on both microfiber and cotton sheets are often both for just one year. However, depending on cost and quality of…
Other styles of plastic or polycarbonate lenses require specific filters for UV protection, which can add to the cost. Way too many people leave these off because they think they can not afford this protection from sunlight. When UV protection is made in to the lenses, however, it can feel more affordable. Having an Abbe…
When you need a durable plastic material for your own use or application, you almost certainly need the polycarbonate or acrylic sheet. With regards to impact resistance and strength, you already know polycarbonate wins by large. Below, we break down the professionals and cons of each and provide some common acrylic applications for every type…
Most wanted in Hoya Vision: Which lens is better Alcon or Johnson and Johnson? Hoya Lens Engravings What’s the rarest eye color? Is gray or brown better for transition lenses? Should eyeglasses cover eyebrows? Does Costco have 1.74 high index lenses? Visionworks Digital Progressive Lenses Which is better Essilor or Zeiss? Where Does Hoya Come…
It’s optical quality is nearly as good as glass , it really is half as heavy as glass, it is a lot more resistant to shattering, and still very resistant to scratches. To get the best value, it’s necessary to understand the features and benefits of all eyeglasses lenses and treatments. Choose wisely through the…
The final lens calculations are then transmitted to state-of-the-art free-form surfacing equipment for fabrication using Carl Zeiss Vision’s exclusive Precise-FormTM technology. At another extreme, various “short-corridor” progressive lens designs may also be available today. These progressive lenses tend to be designed to work in extremely small frame styles, resulting in significantly reduced comfort and utility…
Far objects appeared either similarly clear or slightly hazier than those with the monofocal IOL. In the night time vision, there was a mild or severe halo around light sources compared to people that have the monofocal IOL. EVO Visian® ICL is an evolutionary vision correction procedure to take care of nearsightedness delivering sharp, clear…
One of human vision’s biggest advantages—that it’s inherently “squishy,” or adaptable—does hinder choosing the best lens for just about any individual PAL wearer. This squishiness also helps in defining the bigger area of wearer satisfaction colloquially called “20/happy,” that may guide in determining the most efficient use of professional time and materials. I wear -6…