You searched for "Optics"

1899 results found

Detailed overview of diplopia causes and outcomes for a single tertiary care centre

The purpose of this study was to study the aetiology, progression and outcome in patients with binocular diplopia presenting to the ophthalmology department of a tertiary care centre in India. The study had a prospective observational design where all patients...

Where along the vergence pathway is affected by Parkinson’s Disease?

The authors outlined three hypothesis for the effect Parkinson’s Disease has on blur- and disparity-driven vergence with reference to location within the vergence system that is affected to be tested in this prospective study. The study recruited 14 participants with...

Bilateral versus unilateral recession outcomes for intermittent exotropia

The aim of this study was to compare surgical motor and sensory outcomes of unilateral versus bilateral lateral rectus recessions in children with small angle intermittent exotropia. This was a retrospective study of 55 patients; 28 bilateral and 27 unilateral...

Management options for microphthalmia with orbital cyst with / without visual potential

The authors present six cases (seven eyes) of congenital microphthalmia and orbital cyst. These cases were newborn mainly with one aged 20 years. There were four females and two males and two of seven eyes had a visual potential of...

Therapeutic options for advanced cutaneous basal (BCC) and squamous cell carcinomas (SCC)

This article discusses the use of topical and systemic therapy in the management of advanced periocular tumours. It focuses on those that have gained United States Food and Drug Administration approval; namely imiquimod, vismodegib, sonidegib, pembrolizumab and cemiplimab. Imiquimod is...

The compendium to clinical evidence in DMO treatment

This review article summarises the current evidence base in the treatment options for diabetic macular oedema (DMO). The authors have included many real-world data studies that provided valuable insights into the optimal management of DMO. The authors argue that these...

RCT of unilateral vs bilateral surgery for lateral incomitance in exotropia

The purpose of this study was to evaluate and compare the surgical outcomes in the management of lateral incomitance with regard to ocular alignment and change in lateral incomitance in cases of bilateral vs. unilateral strabismus surgery. This was a...

Features, treatment and prevention of conjunctival inclusion cysts

Conjunctival inclusion cyst is a rare complication of strabismus surgery and generally develops at the point of muscle reattachment, caused by implantation of conjunctival epithelium. The authors aimed to determine the rate of its development after strabismus surgery and consider...

WATCH EPISODE 3: Beyond 2020 with the Andean Medical Mission

Choosing the right strategy for cataract surgery in countries with developing eyecare services can be difficult. Should you stay in the cities or work more remotely? How remote can you go and still carry out surgery safely. In this episode, Beyond 2020 examines the options.

Usher syndrome patient reported outcomes

The authors present a systematic review of the literature on patient-reported outcomes in Usher syndrome; a leading cause of deaf-blindness. A total of 27 studies were included, and there was a strong bias towards studies from the US and Europe...

Vision Buddy: A sight enhancement wearable to enhance TV and computer viewing

This review of the Vision Buddy system continues our recent series on wearable assistive technology. The main component of the Vision Buddy system is a VR-type headset, designed to assist users with a range of tasks primarily within the home...

The power of the full blood count

Vishal Shah walks us through his thought process whilst highlighting the importance of routine investigations when dealing with unusual retinovascular presentations. Retinal changes can arise in anaemia, leukaemia, lymphoma, myeloproliferative and myelodysplastic syndrome. They are often the first manifestation of...