Introduction Acanthamoeba is a free-living unicellular protozoon commonly found in fresh water and soil. The protozoa can be found in two forms: a metabolically active trophozoite and a resistant cyst. Acanthamoeba keratitis (AK) is an infection primarily associated with soft contact lens wearers who demonstrate improper contact lens hygiene...
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...
Read moreOptimum Infinite is Contamac’s first Hyper Dk GP contact lens material to be approved by the FDA. Introducing Optimum Infinite in Las Vegas, the home of gambling, has a certain irony as new products are never guaranteed to become popular, despite years of rigorous development. There are, however, several good...
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 morePatient History A 34-year-old Hispanic female was referred to us by an ophthalmology clinic for a contact lens evaluation. JS was diagnosed with keratoconus when she was 22 years old and claims that the vision worsened each year. She tried multiple pairs of glasses, and then she was finally...
Read morePatient Lens Design Lens Material Male 44 years Custom Designed Patient History Indication: Keratoconus, Irregular corneas R+L Medical History: • None. No family history of eye disease Ocular History: • Exact time of diagnosis unknown but it was before 1998 • Penetrating graft right eye May 2001 Exam &...
Read moreConjunctival Scarring Many conditions can cause the conjunctiva, the thin transparent membrane that covers the white of the eye and the underside of the eyelids, to become scarred. Scarring damages the conjunctiva and prevents it retaining the protective mucous layer, which helps tears adhere to the surface. Patients may...
Read moreScleral lenses have an astounding ability to provide patients with the gift of sight, often allowing them to regain their lives. With keratoconus (KCN) being the most common indication for scleral lenses, patients often experience a significant improvement in visual function with wear.1 It is well-understood that, by providing...
Read moreIntroduction Limbal stem cell deficiency (LSCD) results in dysfunction and/or loss of the stem cells in the basal limbal area. These cells are responsible for maintaining and replenishing the corneal epithelium. This change in corneal tissue composition results in conjunctival epithelial ingrowth, persistent epithelial defects, chronic inflammation, and neovascularization.1,5 There...
Read moreBackground Corneal neuropathic pain is pain in the eye, face or head with ocular symptoms including stinging, burning, irritation, in the absence of noxious stimuli.¹ Slit lamp examination is typically unremarkable.² Scleral lenses may help mitigate symptoms and disrupt the pain cycle in some patients despite a normal exam.³ Case History...
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