You searched for "refractive"

1970 results found

Photoscreener use in pseudophakia

The purpose of this study was to compare refractive data obtained by the Plusoptix and SPOT to data obtained during masked paediatric ophthalmic examinations with retinoscopy in 44 pseudophakic eyes of 44 children. The average age at measurement was 7.4...

Open-field autorefraction screening

This study aimed to determine the efficacy of the Shin-Nippon NVision-K5001 autorefractometer using the open-field refractometry principle in the elimination of accommodation in children. One hundred and fourteen patients aged three to six years were recruited. After excluding ocular pathology...

Change in hyperopia with strabismus

This study aimed to evaluate hyperopic evolution patterns in children with early diagnosis (before three years) and treatment. This was a retrospective study of 78 eyes of 39 children. Forty-nine percent were males and mean follow-up was 130 months (72-193)....

Optical quality difference between monofocal and multifocal intraocular lenses

It is well known that multifocal intraocular lenses (IOLs) can generate more than one focus to restore distance and near vision, but patients may experience adverse optical phenomena such as decreased contrast sensitivity and induced glare or halos. The authors...

Surgical options for the treatment of hyperopia

The modern refractive surgeon has a variety of options available to treat patients with hyperopia who wish to be independent of spectacles and contact lenses. Unlike in low myopia where presbyopic patients may have the ability to see well for...

Posterior capsular rupture risk factors as reported in the European registry

In this cross-sectional review of the European Registry of Quality Outcomes for Cataract and Refractive Surgery (EUREQUO) including 2,853,376 patients and 31,749 cases with posterior capsular rupture (PCR), the authors observed a trend of reduction in PCR rate from 1.44%...

Clinical evaluation of a new pupil independent diffractive MIOL lens with a ±2.75D near addition

This is a clinical outcome assessment after cataract surgery with implantation of multifocal intraocular lens implant IOL with a lower near addition (+2.75D) of 143 eyes of 85 patients aged between 40 to 83 years of age. The type of...

Complex Biometry Clinics: a new service development

In this article we describe a new local service development, the ‘Complex Biometry Clinic’ at Leicester Royal Infirmary. Retrospective data analysis of patients referred between October 2012 and October 2013 was performed. The aim was to provide a one-stop service...

Secondary intraocular lens implantation in children

This is a retrospective study of the medical records of children under the age of 16 who underwent secondary lens implantation for aphakic corrections after previous congenital cataract surgery over a period between January 2000 and December 2010. The study...

Birmingham Refraction Certificate Course

A one-day course run by ophthalmologists for ophthalmic trainees and doctors preparing for the refraction certificate exam. Includes tips and tricks on: retinoscopy of patients and model eyes (the model eyes used will be the same Heine eyes used in...

World Optometry Day 2022

Today, Wednesday 23rd March, is #WorldOptometryDay. A day to celebrate the global community of optometrists and all the eye care professionals that support the ophthalmic health and wellbeing of many millions of patients.

Haag-Streit announces global launch of Elara 900 and Refractor 900 at ESCRS 2025

Bishop’s Stortford, UK – 12th September 2025 – Haag-Streit UK (HS-UK), the leading manufacturer and distributor of gold-standard diagnostic and surgical devices and instruments for ophthalmologists, optometrists, and orthoptists, is proud to announce the global launch of two new innovations:...