The “Contacts with Conway” series of YouTube videos have been surprisingly well-received by both industry and the public. So much so in fact, that we regularly receive requests to explain or expand upon particular topics and, where possible, we use this feedback when deciding future episodes. One such request...
Read moreIn the second instalment of the Slit Lamp Leries, Martin Conway looks at Oblate Cornea. You can read the previous article which examined Demodex Mites here. This month’s image from Marco Tovaglia won the BCLA Diane Gould Photo Contest in 2021. It very clearly illustrates the flattening of the...
Read moreI have no idea what LASIK (laser eye surgery) surgeons are thinking when they perform surgery on engineers with large pupils, let alone engineers with 10-mm pupils when dark adapted (Figure 1). Figure 1. 10-mm dark adapted pupil. Such an engineer sought out our office for a scleral fitting...
Read moreBackground Post-surgical ectasia is a complication in which a cornea that has undergone a refractive surgical procedure becomes progressively irregular and thinned leading to protrusion and undesirable visual disturbances such as blur and higher order aberrations. When screening a candidate for LASIK, many factors must be considered to reduce...
Read moreBackground Corneal opacity is the fifth leading cause of blindness worldwide¹. A common cause of corneal opacity is infectious keratitis. In developed countries, contact lenses are the leading cause of infectious keratitis while in developing countries it is from corneal trauma during agriculture work¹. The most common organism responsible...
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 moreBackground: Ectodermal Dysplasias (ED) are genetic conditions affecting the development of skin, hair, teeth, nails, and sweat glands1. Ocular findings include lacrimal drainage obstruction and hypoplasia, punctal agenesis, distichiasis, trichiasis, meibomian gland alterations and ankyloblepharon with sequelae of chronic dry eye2,3. Complications include chronic ocular pain, neurotrophic keratitis, and...
Read morePenetrating keratoplasty in patients with keratoconus may provide good long‐term visual rehabilitation. There is a relatively low rate of graft failure in this cohort of patients. Graft rejection has been reported to be 5.8–41% with most rejections occurring in the first 2 years. [1-5]. Irregular and high astigmatism may be common...
Read moreWith the increasing use of corneal cross-linking (CXL) for keratoconus, some have questioned whether this treatment could reduce the demand for specialised contact lenses. Keratoconus is a well-known condition among practitioners that fit speciality contact lenses. This progressive disorder affects approximately 1 in 500 individuals and is much more...
Read moreThe Optimum range of materials has become established as one of the most popular RGP materials on the market. Recent years have seen remarkable growth in the usage of both ortho-k and scleral lens usage and, in response to this Contamac have developed Optimum Infinite, a hyper-Dk material which cuts...
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