You searched for "astigmatism"

211 results found

Risk factors for amblyopia

The author presents a meta-analysis of published data to estimate American Association for Pediatric Ophthalmology and Strabismus (AAPOS) prevalence data for amblyopia risk factors. He extracted data from major paediatric comprehensive eye examination studies for children aged two to five...

XXII SARCS (State of the Art Refractive Cataract Surgery) Symposium 2024

by Andrew Bourne, BSc, MCOptom, DipTp(IP), Dip Glauc, Principal Optometrist, Hull & East Yorkshire Eye Hospital, UK. Once again, Milind Pande welcomed over 220 ophthalmologists and allied professionals to his annual symposium, this year held once again at the University...

Intraocular Lens Surgery

This book is a valuable update on understanding IOL surgery for ophthalmologists in training and in practice. Broadly, the book is divided into six sections dealing with three main concepts: 1) IOL selection for routine and complex scenarios; 2) IOL...

Characteristics of ptosis in Iranian children

A cross-section study was undertaken to determine the prevalence of ptosis (congenital and acquired) and its risk factors in Iranian children. The target population was children aged seven years in urban areas of Iran. Seventy schools of eight cities were...

Normal values with Orbscan IIz corneal topography

This study aimed to establish a database of normative measurements of corneal typography in children aged 5-15 years with the Orbscan IIz corneal topography system. They assessed 100 eyes of 100 children. The mean SimK astigmatism was 0.69±0.35D. The maximum...

Topography-guided photorefractive keratectomy in the treatment of corneal scarring

This study reports the outcome of topography-guided photorefractive keratectomy (TG-PRK) in the treatment of patients with corneal scarring. A retrospective case series including six eyes of six patients with corneal scarring and irregular astigmatism who underwent topography guided PRK. The...

Retreatment of myopic LASIK with femtosecond and custom ablation

The purpose of this study was to identify the risk factors for retreatment post laser in situ keratomileusis (LASIK). A retrospective chart review was carried out for a four-year period and all patients who had undergone LASIK at the Boston...

How does low-concentration atropine reduce progression of myopia?

This is a double-blind, randomised, placebo-controlled trial evaluating the effects of low-concentration atropine (0.05%, 0.025%, 0.01%) on ocular biometrics of myopic children. The aim is to determine what aspect of ocular biometrics low-concentration atropine influenced in reducing the progression of...

Scheimpflug imaging in paediatric glaucoma

The authors undertook this study to report the corneal tomographic characteristics of eyes that had surgery for controlled primary congenital glaucoma (PCG) compared to a control group. The study included 44 eyes of 27 children (18 males) having surgery for...

Screening outcomes for Syrian refugee children

This study compared two commonly used photoscreeners in a Syrian refugee camp in Jordan to better understand what types of technology would function best in a low-resource setting. The children in this study were assessed with the PEEK acuity application...

Management of traumatic corneal perforations with anterior lamellar techniques: The mini-DSAEK

The authors present the first case report in which a mini (reduced diameter) Descemet’s stripping automated endothelial keratoplasty (mini-DSAEK) has been used to manage a traumatic corneal perforation. A 69-year-old male presented with 6/36 best spectacle-corrected visual acuity (BSCVA) and...

Refractive changes after surgery

A long-term follow-up study was conducted to report power vector analysis of refractive astigmatic changes in a large group of 137 patients (250 eyes) undergoing horizontal strabismus surgery. Fifty-four percent were male. The average age was 9.22±8.21 years. Fifty-five percent...