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2314 results found

Ametropia prevalence and types in China

This study aimed to determine the prevalence and type of ametropia in Yunnan multi-ethnic regions. The study included 24,296 students aged 7-12 years (90.99%) in the study area of five different regions. There were 51% males and 32.2% minorities. Ametropia...

PALs use for convergence excess esotropia

This retrospective study includes a disparate group of 39 esotropic patients with an accommodative element from two different clinics with differing prescribing practices. Seven children were excluded due to previous treatment or insufficient follow-up. In all patients single vision glasses...

Rotational stability of angle supported phakic IOL

The authors evaluate 50 eyes of 28 patients that underwent an angle fixated phakic intraocular lens (IOL) implantation (Acrysof Cachet). All eyes had moderate to high myopia (-5.25 to-19.63 dioptres) and IOL sizing was performed as per the manufacturer’s recommendation....

Can a dose scale be calculated for the modified Harado-Ito procedure?

The aim of this study was to review the surgical outcomes of the Fells modified Harado-Ito procedure using a dose scale approach with long-term follow-up, and to evaluate the relationship between preoperative factors and final outcome. This was a retrospective...

Stereopsis changes with cataract

Stereoacuity was compared preoperatively to six weeks postoperative after cataract extraction and intraocular lens (IOL) implant. The authors evaluated the association of postoperative stereoacuity with visual acuity, age and duration of preoperative symptoms. This prospective study recruited 142 patients: 92...

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...

Making sense of the orthoptic assessment

Following the Specialty Trainee article on this topic in the February/March 2020 issue, Joe Smith provides a more detailed breakdown of the orthoptic report. Orthoptists investigate, diagnose and manage a wide variety of patients with varying problems. In this article,...

A pattern surgery

The authors describe the efficacy and safety of superior oblique (SO) hang-back recession with A pattern strabismus and SO overaction. A pattern was defined as a difference of >10PD from elevation to depression. SO overaction was graded as +1 to...

Amyotrophic lateral sclerosis (ALS): what happens to eye movements?

Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disorder of upper motor neurons of the corticospinal tract and lower motor neurons in brainstem nuclei and the anterior horn of the spinal cord. Limited literature is available on abnormal ocular movements in...

Superior oblique sagittalisation

This paper reports two cases with anomalous posterior course of the superior oblique tendon with insertion nasal to the superior rectus tendon. Both presented with Brown syndrome-like clinical scenarios. The cases were a five-year-old female and four-year-old male. Diagnosis was...

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...

LASEK with mitomycin C to correct myopia in thin corneas

This study evaluated the long-term outcomes of laser-assisted subepithelial keratomileusis (LASEK) with intraoperative use of mitomycin C (MMC) performed on thin corneas for the correction of myopia. MMC modulates the corneal wound healing response in surface healing, thus reducing the...