Comparison of bupivacaine injection vs. mini-tenotomy for small angle deviations

Bupivacaine hydrochloride is an aminoacyltype local anaesthetic. Injection into extraocular muscles elicits a myotoxic response destroying striated muscle fibres but sparing satellite cells, nerves and vessels. Preserved satellite cells proliferate to form new muscle fibres, causing muscle hypertrophy and greater...

Contrast sensitivity comparisons for Pelli Robson, Hiding Heidi and Double Happy tests

The authors aimed to compare contrast thresholds and measure agreement across current paediatric assessment of contrast sensitivity with Hiding Heidi and Double Happy contrast sensitivity tests vs. the gold-standard Pelli Robson chart. Reduced contrast levels were similar under different light...

Test retest values for TNO, Frisby, Lang stereopad and Asteroid stereoacuity tests

This study aimed to determine test-retest variability of four different measurements of stereoacuity including TNO, Frisby, Lang stereopad and Asteroid, and compare stereoacuity values between tests in an adult population. Participants were >18 years of age (mean 38 years, SD...

Cost-effectiveness framework discussion for vision screening

The authors present a discussion paper on hypothetical, but representative, examples of post-referral costs that may result from different screening options up to the point of discharge from specific services. Data was taken from a recent (2019) systematic review (with...

Providing well-developed education materials can improve follow-up attendance for retinopathy of prematurity screening

he authors present a repeated measures study with parents of children at risk of developing retinopathy of prematurity (ROP). Inclusion criteria for the study was parents with children born at <32 weeks or with a birth weight under 1.5kg. Participants...

New grading description for ROP retinal changes for those meeting termination of vision screening guidelines

This study reports and characterises residual retinal changes seen in eyes that meet criteria for termination of acute retinal screening exams. A novel grading system was used in which retinal exams were graded A to E. ‘A’ was defined as...

Increase in myopia during the Covid-19 lockdown periods

The aim of this study was to examine the effect of the Covid-19-related lockdown on myopia progression of school-aged children in Lebanon. The authors reviewed 443 records of myopic children aged 3–18 years (mean 11.81 ±3.67) presenting from January 2020...

Review of efficacy and safety of tetracaine drops in strabismus surgery

Tetracaine is a topical anaesthetic drug used to anesthetise the eye and surrounding areas during strabismus surgery. It is generally safe and well tolerated but can cause mild adverse reactions at the site of use and, in rare cases, serious...

Testing near or distance visual acuity for change during amblyopia therapy

In this study, the authors aimed to determine if any differences occurred between near and distance visual acuity (VA) in a cohort of childhood untreated amblyopia. They recruited 54 patients with mean age 4.9 years, SD 0.44. Mean VA in...

Comparison of visual field indices between normal adults and children

The authors present a prospective observational study which aimed to compare visual field indices with retinal nerve fibre layer (RNFL) thickness using optical coherence tomography (OCT) in normal adults and children. Children aged 6–18 years were recruited from a single...

Use of telemedicine within adult strabismus management

The aim of this survey was to assess the practice preferences in the management of adult strabismus among the American Association for Pediatric Ophthalmology and Strabismus (AAPOS) committee members. A 27-question multiple-choice questionnaire was sent to 19 ophthalmologists on AAPOS...

Hybrid free vision screening for at-risk, low-income families

Give Kids Sight Day (GKSD) is an outreach programme at Wills Eye Hospital to provide free vision screening, ophthalmic examinations and glasses. It started in 2009 and has seen >11,000 children. Its primary aim is to reach high-risk families including...