You searched for "astigmatism"

221 results found

Newer generation IOL platforms designed for high-quality visual performance after cataract surgery

Expanding intraocular lens (IOL) capabilities provide broadening options, ranging from next-generation monofocal IOLs for basic cataract surgery, to specialised premium IOLs for lens-based presbyopia correction and astigmatism correction at the time of cataract surgery. Rod McNeil considers several newer alternative...

Fellow eye comparison of DMEK and PKP

This retrospective analysis of 11 patients who underwent penetrating keratoplasty (PKP) in their first eye followed by descemet membrane endothelial keratoplasty (DMEK) in their second eye studied visual and refractive outcomes. Intra and postoperative complications were compared and a subjective...

Does the length of the school day have a role in age of myopia onset?

The authors prospectively collected the refractive data of myopic adults attending recruiting dispensing optician or ophthalmologist sites. Participants were recruited consecutively, giving verbal informed consent. Sites included a mix of urban and rural areas across eight sites. The following data...

Technique of deep corneal foreign body removal

This article has been verified for CPD. Click the button below to answer a few short questions and download a form to be included in your CPD folder. The objective is to demonstrate a method for the safe and successful...

The management of possibly progressive pterygium

A 43-year-old Sudanese male patient is referred by his GP with a fleshy lesion encroaching the nasal cornea for the last six months. History Make note of: risk factors, i.e. UV exposure and ocular irritation - history of living in...

Biometry and IOL choice errors

In the next instalment of this series I focus on problems associated with biometry and intraocular lens (IOL) selection for cataract surgery. I have taken previous medicolegal cases I have dealt with and tried to extract some learning points and...

College of Optometrists urges public to wear their glasses for night driving

As the clocks go back into Greenwich Mean Time, and the nights draw in, experts at The College of Optometrists are urging those drivers who have been advised to wear glasses while driving, to don their spectacles before getting behind the wheel.

Pioneering professor performs 30,000th laser eye procedure

A Moorfields Eye Hospital NHS Foundation Trust and Moorfields Private Hospital consultant has performed his 30,000th refractive laser eye procedure (at Moorfields Private), 36 years after he carried out the first of its kind in the UK. In 1989, while...

Tricks and tips for paediatric refraction

Refraction is an important part of the paediatric eye examination but can sometimes be challenging. If a child struggles to co-operate with the eye examination, how can one ensure that the best outcome is achieved? There are tips here which...

Surgical treatment of high myopia

Although several excellent modalities are available for correcting high myopia, the surgical treatment of this condition remains one of the biggest challenges for refractive surgeons; this group of patients is often very dependent on contact lenses. If these patients become...

Troubleshooting in LASIK

Contemporary laser in situ keratomileusis (LASIK) is safe and effective. It remains the dominant intervention in routine refractive surgery for a good reason: predictable results, rapid visual recovery, and relatively simple strategies for revision treatment. Over 95% of patients are...

Advances in the understanding, diagnostic and treatment of keratoconus

*Joint first authors Keratoconus is a bilateral and asymmetric eye condition in which the cornea’s structure is affected and thinned, causing a cone-shaped bulge to develop. This results in progressive loss of vision and impairs the ability of the eye...