Scleral Contact Lens Fitting
The scleral lens education society sls teaches contact lens practitioners the science and art of prescribing scleral contact lenses.
Scleral contact lens fitting. Sls supports public education that highlights the benefits and availability of scleral contact lenses. Scleral contact lenses may also be defined by their fitting characteristics. Visser es visser r van lier hj otten hm. The use of scleral contact lenses has grown exponentially since 2006.
Guided optics in the fitting of scleral lenses and has lectured at a number of conferences on the topic. Scleral contact lenses are custom made for each wearer so fitting scleral contacts demands greater expertise and more time than fitting standard soft or gp contact lenses. Jason jedlicka od faao fsls bloomington in usa jason jedlicka is the chief of the contact lens service and an associate professor at the indiana university school of optometry. Shornack mm baratz kh patel sv maguire lj.
Often computerized maps of the curvature of the entire cornea are generated to facilitate the lens fitting and several trial lenses of different sizes and curvatures may. Discussion over what exactly is a semi scleral lens for example or how to define a corneo scleral lens is ongoing. Scleral lenses completely vault the cornea and take advantage of the post lens tear layer to effectively negate the corneal shape from being a factor in the optical system. I also find that it is beneficial to attempt a scleral lens fitting before referring a patient for a corneal transplant.
Nomenclature for scleral lenses is undergoing development. 1 over the past decade clinicians have started to consider scleral lens designs as an option for all contact lens patients. Prior to fitting a diseased post surgical or asymmetrical eye with a scleral or extra limbal contact lens an understanding of the scleral shape is imperative. Van der warp e.
A guide to scleral lens fitting monograph online. Even when medically successful and without complication many patients will still need a specialty contact lens to restore vision post transplant because of irregular or high astigmatism. Scleral lenses are large contact lenses that are fit to the contour of the sclera as opposed to the shape of the cornea. Corneal topography is the tool that many practitioners rely on to understand the shape and elevation of the eye.
Improved materials and technology for fitting and manufacturing have helped create the renaissance this modality is currently experiencing. Contact lens spectrum is the most respected source of clinical contact lens information for optometrists opticians and ophthalmologists. Each month it offers timely editorial on fitting overcoming complications utilizing new technologies gaining patient compliance and more written by contact lens practitioners for contact lens practitioners.