You searched for "Optics"

2051 results found

Randomised controlled trial for large-angle exotropia surgery

The purpose of this study was to investigate single eye, single setting surgical options to correct 80–90PD of exotropia with two options of muscle transplant and suture hang-back recession. There was retention of anatomical limits of 6mm resection for medial...

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...

Comparison of surgical options for basic intermittent exotropia

This study compared the outcomes of three surgical options from one surgeon, to treat basic intermittent exotropia. Surgeries included bilateral lateral rectus recession (BLR), unilateral lateral / medial rectus recession / resection (RR), and unilateral lateral rectus recession and medial...

Comparison of two surgical procedure options for unilateral superior oblique palsy

This study compares two surgical options for management of unilateral superior oblique palsy with angles >20PD. Group 1 underwent one vertical muscle surgery – ipsilateral inferior oblique anterior transposition plus resection (IOATR). Group 2 underwent two vertical muscles surgery –...

Deep Dive Astigmatism: Master Astigmatism in Cataract Surgery

Course Director: Milind Pande Faculty: Ashraf Armia, Laura Maubon, Mayank Nanavaty, Course Overview: Embark on a transformative journey through this dynamic course, tailored to empower ophthalmologists and cataract surgeons with the expertise needed to master astigmatism management in cataract surgery....

Decisions on correction of low, moderate and high hypermetropic in exotropia

The purpose of this systematic review was to evaluate the management strategies and outcomes for hypermetropic patients with exotropia, and to determine implications of refractive correction decisions in optimising clinical outcomes. 10 studies met the inclusion criteria from 6 countries...

My top five eye-related webinars during lockdown

1. Alcon Experience Academy The Alcon Experience Academy ran a non-promotional educational series from 12 May to 23 June 2020. Being mildly biased as a junior trainee, this has to be rated by far the best series due to its...

My Top Five: Eye-related webinars during lockdown

1. Alcon Experience Academy The Alcon Experience Academy ran a non-promotional educational series from 12 May to 23 June 2020. Being mildly biased as a junior trainee, this has to be rated by far the best series due to its...

In conversation with Andrena McElvanney (President, MCLOSA)

We spoke to Andrena about MCLOSA's annual meeting this November, key developments in cornea and external eye disease, and plans for the association’s 30th anniversary. Andrena McElvanney (top, second from right) and the OSI council members. The Medical Contact Lens...

The bionic eye – behind the headlines

Multiple visual prosthetic projects and other vision regeneration initiatives being tested in preclinical and clinical development worldwide illustrate continuing progress and opportunities in addressing profound blindness from hereditary retinal diseases and other causes (Table 1). Three implantable bionic vision systems...

Problems in Periorbital Surgery: A Repair Manual

This is a multi-author textbook directed at oculoplastic and plastic surgeons carrying out and managing aesthetic eyelid surgery. The authors are well-known and commonly cite their mentor, Clinton (“Sonny”) McCord as the main inspiration behind the textbook. Each section contains...

Platelet-rich fibrin for conjunctivoplasty after pterygium excision

The authors report a prospective, comparative, non-randomized clinical trial of 35 pterygium patients with unilateral nasal primary pterygium infiltrating the cornea 2-5mm in size, who underwent pterygium excision between June 2013 and September 2014. Thirty-five eyes of 35 patients with...