- Acuvue Oasys Contacts -...EzContacts.com$42.95
- 1-Day Acuvue Moist 90...EzContacts.com$49.95
- 1-Day Acuvue Moist 90...EzContacts.com$49.95
- Acuvue Oasys 1-Day ...EzContacts.com$67.95
- Biofinity Toric Monthly ...EzContacts.com$39.95
- Acuvue Vita Monthly ...EzContacts.com$32.95
- Acuvue 2 Bi Weekly ...EzContacts.com$19.95
- Biofinity 6 Pack Monthly ...EzContacts.com$26.95
- Acuvue Oasys Contacts - 6...EzContacts.com$24.95
- Air Optix Night & Day 6...EzContacts.com$49.95
- Acuvue Oasys Contacts 6...EzContacts.com$24.95
- 1-DAY ACUVUE MOIST (90...EzContacts.com$43.95
- Biofinity 6 Pack Contacts...EzContacts.com$26.95
- DAILIES Aquacomfort Plus ...EzContacts.com$39.95
- Bausch & Lomb Ultra ...EzContacts.com$46.95
- Air Optix Plus Hydraglyde...EzContacts.com$26.95
- Coopervision - Dailies...EzContacts.com$69.95
- Biofinity Energys ...EzContacts.com$32.95
Ads
related to: cheap contact lenses
Search results
Results from the WOW.Com Content Network
Toric lens surface as "cap" (top-right) from a torus (here with R = 1.2 r ). A toric lens is a lens with different optical power and focal length in two orientations perpendicular to each other. One of the lens surfaces is shaped like a "cap" from a torus (see figure at right), and the other one is usually spherical.
Bionic contact lens. A bionic contact lens is a proposed device that could provide a virtual display that could have a variety of uses from assisting the visually impaired to video gaming, as claimed by the manufacturers and developers. [1] The device will have the form of a conventional contact lens with added bionics technology in the form of ...
Scleral lens. Side view displaying vaulted area of a scleral lens. A scleral lens, also known as a scleral contact lens, is a large contact lens that rests on the sclera and creates a tear -filled vault over the cornea. Scleral lenses are designed to treat a variety of eye conditions, many of which do not respond to other forms of treatment.
Long-term contact lens use can lead to alterations in corneal thickness, stromal thickness, curvature, corneal sensitivity, cell density, and epithelial oxygen uptake, etc. Other changes may include the formation of epithelial vacuoles and microcysts (containing cellular debris) as well as the emergence of polymegethism in the corneal endothelium.
Acuvue lenses got their start at Frontier Contact Lens Company, founded in Buffalo, New York in 1959 by Dr. Allen Isen, George Sitterle, and Dr. William Feinbloom. [1] Its early growth was attributed to its highly successful toric lens. In 1962, Seymour Marco joined the venture and Frontier moved its operations to Jacksonville, Florida. [2]
Lens speed is the maximum aperture diameter, or minimum f-number, of a photographic lens. A lens with a larger than average maximum aperture (that is, a smaller minimum f-number) is called a "fast lens" because it can achieve the same exposure as an average lens with a faster shutter speed. Conversely, a smaller maximum aperture (larger minimum ...
Ads
related to: cheap contact lenses