You searched for "refraction"

2335 results found

Corneal lenticule allotransplant

This animal study looked at corneal lenticule allograft transplantation in rabbits. Seven rabbits underwent small incision lenticule extraction (SMILE) procedures, where their stromal lenticules were extracted and transplanted fresh into pre-prepared corneal stromal pockets of seven recipient eyes. Animals were...

Pentacam vs. IOL Master keratometry measurement in IOL power calculations

The IOL Master measures only the anterior corneal curvature and estimates the total corneal power by assuming a fixed relationship between the anterior and posterior corneal surface. The Pentacam measures both the anterior and posterior corneal surface and therefore calculates...

Residual esotropia surgery comparisons

The aim was to compare lateral rectus resection and plication methods in patients with residual esotropia for postoperative success rate, dose response, ipsilateral medial rectus limitations and reoperation. The study included 57 patients (31 female, 26 male) with 27 plication...

Laser corneal refractive procedures – a review

Evolution of refractive surgery stays true to the quote of Theodore Roosevelt: “The more you know about the past, the better prepared you are for the future.” Refractive surgery is an evolving field, which thanks modern technologies for refining ideas...

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.

Incomplete teprotumumab treatment for thyroid eye disease

This is a multi-centre retrospective analysis of clinical outcomes in patients who were on teprotumumab for thyroid eye disease but had the usual regime of eight infusions, three weeks apart, interrupted due to COVID-19. Manufacturing was suspended between Dec 2020...

Vision screening standards for fitness to drive

Most countries require that vision meets a pre-defined standard in order to be legally permitted to drive, but these standards vary widely. The primary method by which vision is assessed to determine suitability for driving is by measuring visual acuity...

Association between COVID-19 restrictions and accelerated myopia progression

A retrospective case review aimed to evaluate the association between home confinement and progression of myopia in Argentina during 2020. Data was collected using an online survey of ophthalmologists throughout Argentina. The inclusion criteria included being five to 18-years-old, found...

BT for Duane’s retraction syndrome esotropia

The aim of the study was to evaluate the correction of esotropia and face turn due to Duane’s retraction syndrome (DRS) type I. The mean age was 21 months (12-36 months). The mean dose of botulinum toxin (BT) was 5.6±1.8IU...

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...

Surgical outcome reporting for exotropic DRS

The authors report the surgical outcomes of patients with exotropic Duane’s retraction syndrome (DRS) in a retrospective study of 73 patients; 67 unilateral cases. Patients had a mean age at surgery of 14.11 years (range 2-33). The left eye was...

Visual performance of new multifocal IOL

Multifocal IOLs (MIOLs) keep evolving to try and get the best outcome in terms of vision and reduction of side-effects. This prospective interventional study was carried out on 34 eyes of 17 patients (11 women (65%) and six men (35%))...