You searched for "optical"

3582 results found

Measuring cyclotorsion

The aim of this study was to investigate if different methods of measuring cyclotorsion (synoptophore, KM screen test and single Maddox rod test) produce the same results and if these values are repeatable in adult patients. For the synoptophore, the...

Injuries due to forceps delivery

A retrospective series is presented of injuries secondary to forceps delivery over a 15-year period in 11 cases: seven male and four female. Follow-up of cases was over two months to 17 years. Eight presented within one week of delivery,...

IO surgery

The purpose of this paper was to evaluate the efficacy of a new surgical technique in reducing inferior oblique muscle overaction (IOOA) consisting of suturing the muscle to the sclera at the Gobin point with tendon sparing and using a...

Angle of deviation and psychological impact

This questionnaire-based prospective study using the Psychological Impact Questionnaire was designed to investigate whether the size of the angle of deviation, age, sex, presence of diplopia, visual acuity of the worse eye and direction of deviation are related to psychological...

A case of ipsilateral fourth nerve paresis and Horner’s syndrome

The author presents a single case report of an exceptional association between fourth nerve palsy and ipsilateral Horner’s Syndrome. The case is presented alongside magnetic resonance images (MRI) which reveal a mass in the right cavernous sinus. The 54-year-old woman...

Transconjunctival eyelid weight insertion

This is a description of a new surgical technique to insert upper lid weights via a posterior, transconjunctival route. Following local anaesthetic, the upper lid was everted over a Desmarres retractor with a silk traction suture. A 5mm high central...

Augmented surgery for monocular elevation deficiency

The outcomes are described for augmented lateral rectus superior transposition in cases of acquired monocular elevation deficiency (MED) associated with large hypotropia in primary gaze. The lateral rectus was transposed superiorly and reinserted on sclera between the temporal margin of...

Surgical technique for small-angle hypertropia

In order to treat small-angle hypertropia of <5PF associated with mild / moderate upshoot in adduction, an option is to suture the inferior oblique (IO) belly to the sclera following its natural muscle direction or with anterior transposition. This study...

Outcomes of unilateral surgery for bilateral asymmetric DVD

The purpose of this study was to analyse the outcomes and complications observed in a cohort of patients with unilateral superior rectus recession in bilateral asymmetric dissociative vertical deviation (DVD) with strong preferential fixation. This was a retrospective review of...

Surgical treatment outcomes and predictors for consecutive exotropia

This retrospective study presented the long-term results of consecutive exotropia surgery and its prognostic factors, and compared efficacy of medial rectus advancement, lateral rectus recession, or a combination of both. Patients were treated between 2000–2020. Mean age was 33.98 ±17.68...

Prismatic contact lens correction vs prismatic glasses

The aim of this study was to verify if diplopia could be corrected by applying soft directional prism contact lenses, to compare effectiveness of diplopia correction, comfort and quality of vision with these contact lenses compared to prism glasses. This...

Description of surgical modification for heavy eye syndrome

For heavy eye syndrome, these authors report a modification to facilitate approximation of the widely separated muscles using a combination of zip-up and hand-over-hand manoeuvres. Ten patients underwent this surgery with unification of the superior rectus and lateral rectus muscles....