You searched for "heterotropia"

409 results found

Testing of binocular contrast sensitivity as an objective measure of severity in intermittent exotropia

The purpose of this study was to compare the binocular contrast sensitivity ratio (measured with the Vision CSV-100 vector chart) between 40 intermittent exotropia patients and 40 normal controls. The authors also evaluated the effect of intermittent exotropia compensation status...

Systematic review of management options for intermittent exotropia

The authors conduct a robust systematic review of the literature to report evidence on non-surgical and surgical treatment options for intermittent exotropia – divergence excess and basic intermittent exotropia types. Discussion centres on (1) optical correction of refractive error with...

Postoperative astigmatism

The authors investigate the short and long-term postoperative refractive effects of medial rectus recession on the involved eye and explain the detectable effects in detail by the results of vector analysis in 52 eyes and 32 patients. The subjects had...

Ametropia prevalence and types in China

This study aimed to determine the prevalence and type of ametropia in Yunnan multi-ethnic regions. The study included 24,296 students aged 7-12 years (90.99%) in the study area of five different regions. There were 51% males and 32.2% minorities. Ametropia...

Spot screener versus Grand Seiko measurements

The authors aimed to determine repeatability and reproducibility of refractive values and pupil size measured using the Spot Vision Screener and to compare its measurement values with the Grand Seiko autorefractor. This was a cross-sectional study of 22 healthy adults;...

Medium-term outcomes following photo screening

A photo-screening project of preverbal children was conducted in 2016 in Portugal consisting of enrolment of two-year-old children and referral of these if having a positive screen to paediatric ophthalmology plus a screen of four-year-old children who missed or had...

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...

Presenting and diagnostic signs of retinoblastoma

This study revisits the presenting signs of retinoblastoma (RB) in the context of current best practice with respect to diagnosis and assessment of RB. This was a retrospective review of 131 consecutive cases, excluding those with positive family history over...

Third nerve palsy following cataract surgery with sub-Tenon’s anaesthesia

Figure 1: Photograph showing partial ptosis of the right eye two months after surgery (photo by R McLeod). An 83-year-old lady had routine right eye cataract surgery under uncomplicated sub-Tenon’s anaesthesia. She presented two weeks later, explaining that following the...

Corneal neurotisation with an allograft

This is the first reported use of an acellular nerve allograft for corneal neurotisation. Seven patients received a 7cm long commercially prepared acellular nerve allograft. This was coapted to a functioning supratrochlear, supraorbital or infraorbital nerve and then tunnelled to...

How does your practice compare?

One of the lovely things about clinical meetings and conferences is the ability to meet with your peers and ask questions of them about their practice. Often the questions are not earth shattering, for example, it could be as simple...

Choroidal folds

Choroidal folds are undulations of the choroid, Bruch’s membrane and pigment epithelium, with wrinkling of the overlying retina. They may be idiopathic but can also be caused by a number of different conditions. Case report A 60-year-old male patient was...