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`Scleral Lenses
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`Because they are larger than conventional GP lenses, scleral lenses are more stable on the eye.
`They also provide initial comfort similar to soft lenses.
`
`If you want to wear contact lenses but have had trouble wearing them in the past — or you've
`been told you are not a good candidate for contacts — scleral contact lenses may be the
`solution you are looking for.
`
`These large-diameter gas permeable (GP) lenses offer the same advantages that conventional
`GP lenses have compared with soft contacts, including:
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`•
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`Sharper vision
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`• Greater durability
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`• Easier handling
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`•
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`Less risk of complications
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`They are called "scleral" lenses because, instead of covering only a portion of the cornea (like
`conventional GP lenses), these large GP lenses vault over the entire corneal surface and rest
`on the "white" of the eye (the sclera).
`
`Because of their size, scleral lenses are more stable on the eye than conventional GP lenses —
`so they are less likely to accidentally dislodge from the eye. This stability also can make them
`more comfortable than conventional GP lenses; scleral lenses provide initial comfort similar
`to soft lenses, especially for sensitive eyes or irregularly shaped corneas.
`
`Types of Scleral Lenses
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`There are three categories of scleral lenses, based on size and where the lenses have their
`primary contact with the front surface of the eye:
`
`• Corneo-scleral lenses and semi-scleral lenses are much larger larger than
`conventional GP lenses and rest near the junction between the cornea and the sclera.
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`http://www.contactlenses.org/scleral.htm
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`MYLAN - EXHIBIT 1080
`Mylan Pharmaceuticals Inc. et al. v. Allergan, Inc.
`IPR2016-01127, -01128, -01129, -01130, -01131, & -01132
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`Page 2 of 2
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`• Mini-scleral lenses vault over the entire corneal surface and rest on the anterior
`sclera.
`
`• Full scleral lenses are the largest scleral lenses and provide the greatest amount of
`clearance between the back surface of the lens and the cornea.
`
`All modern scleral lenses are made with highly breathable, rigid gas permeable lens materials.
`So though scleral lenses cover the entire cornea, plenty of oxygen reaches the front surface of
`the eye to keep it healthy and comfortable.
`
`Are You a Good Candidate?
`
`Generally, anyone interested in achieving the best vision possible with contact lenses can be a
`candidate for scleral lenses. But scleral GP lenses are particularly helpful for the following
`conditions:
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`•
`
`Irregular corneas. Vision problems caused by an irregularly shaped cornea — whether
`naturally occurring, due to an eye condition such as keratoconus, or resulting from eye
`surgery — typically cannot be fully corrected with glasses or soft contact lenses. Scleral
`lenses typically will provide sharper vision for these eyes.
`
`• Hard-to-fit eyes. If your eyes cannot be comfortably fitted with conventional GP lenses
`or the shape of your eye causes the lenses to dislodge too easily from your eyes (during
`sports, for example), scleral lenses can provide a more comfortable and secure fit.
`
`• Dry eyes. If your eyes are too dry for conventional contact lenses, scleral lenses can
`help. In particular, the generous space between the back surface of full scleral lenses and
`the cornea acts as a tear reservoir to keep the front of your eye more moist and
`comfortable.
`
`Cost of Scleral Lenses
`
`Scleral lenses are custom-made to the exact specifications prescribed by your eye doctor to
`provide the best possible vision, eye health and comfort.
`
`Also, special automated measuring tools and imaging devices often are used to fit scleral
`lenses, and these instruments typically are not required for fitting soft lenses.
`
`For these reasons, professional fees associated with fitting scleral lenses and lens replacement
`costs are higher for scleral lenses than other contact lenses. Your eye care provider can advise
`you of specific costs for your individual needs.
`
`In some cases, vision insurance may cover a portion of the costs associated with scleral lenses.
`
`Next, go to:
`
`• Find an eye doctor who fits GP lenses
`• Read what wearers say about GP lenses
`• Download a free brochure about GP contact lenses
`
`[Page updated February 2013]
`
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`
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`information herein should be used to supplement, not replace, the advice of a qualified eye care practitioner. This website is maintained by Access Media Group.
`
`http://www.contactlenses.org/scleral.htm
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