Introduction Traditionally, gas permeable, scleral and even hybrid contact lenses are recommended for patients with keratoconus or other diseases that cause irregularity of the cornea, as they can effectively correct the significant levels of astigmatism through neutralization by the tear film. However, there is evidence to support the use...
Read moreIntroduction The vast majority of the lenses we fit in contact lens practice are soft lenses. The amount of attention that goes into ‘fitting’ soft lenses is limited in contrast to the focus on scleral lens fitting, corneal lens fitting, and orthokeratology, for instance. This case shows how taking...
Read moreIn the October 2022 edition of Contact Lens Spectrum, Ed Bennett’s report on the GP and Custom Soft Annual Report 2022 provided a comprehensive insight into the prescribing habits of top US practitioners. Scanning the list of subscribers, they are mainly Key Opinion Leaders and researchers, so this may not necessarily...
Read moreCould a “Soft Lens Dropout” be a potential patient for the Speciality Lens Practitioner? Patient dropout and the reasons for it have long since been a subject of discussion within both the contact lens industry and profession. Speciality lens manufacturers normally supply lenses for patients who are perhaps more...
Read moreAcanthamoeba Keratitis is, thankfully, an extremely rare infection that, in the developed world, is predominantly found in contact lens wearers¹. Symptoms include: Eye pain and sensitivity to light that may seem disproportionate to that of a “normal” eye infection Eye redness Blurred vision Sensation of something in the eye...
Read moreNever a dull moment in our industry. Although this past period will surely be remembered as ‘the COVID era’, there are so many new and exciting developments going on that maybe in the future, all of these technological advances may outweigh the negative vibes of COVID for our industry....
Read moreToday, it is well understood that knowledge of the sagittal height of the anterior eye is a key component in the fitting of both custom soft contact lenses and modern scleral lens designs. Our studies at Pacific University have identified five anatomical features that contribute to the sagittal height...
Read moreIntroduction Various studies have demonstrated that both soft center-distance multifocal lenses and orthokeratology lenses are an effective option in myopia management. On average, the currently available standard geometries are shown to reduce myopia progression by approximately 50% (Data Walline JJ 2016, Figure 1). Figure 1: Data from Walline JJ:...
Read moreIntroduction In 2020, the COVID-19 pandemic wrought significant havoc on our healthcare system and daily lives. The implementation of public health measures, aimed at safeguarding the population, reshaped our professional landscape. We witnessed a surge in demand for contact lens fittings, coinciding with the return of our regular wearers...
Read moreFig.1 Bonita Lutzka painting a soft lens When it comes to painting on a soft lens, I like to say anything is possible… with the exception of metallics. At The Contact Lens Lab of SA International, we mix our own pigments, resulting in a wide array of colours and,...
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