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2463 results found

PDI check Nintendo screening results

‘PDI check’ is a vision assessment game developed for the autostereoscopic upper screen on the Nintendo 3DS XL game console. Version 0.2.5 emphasises quick assessment of monocular acuity, stereoacuity and red-green colour deficiency. The purpose of this study was to...

Effect of trabeculectomy on corneal endothelial cell loss

This is a prospective study of 117 eyes for two years after trabeculectomy, to investigate the corneal endothelial cell density (CECD) by specular microscopy prior to and after surgery on a six monthly basis. At six, 12, 18 and 24...

Surgical outcome for cyclic strabismus

The aim of this study was to report the outcome of surgical treatment in a series of seven cases of paediatric cyclic strabismus. This was a retrospective study of children with surgical treatment for the manifest cyclic deviation. Six children...

Long-term surgical success for basic exotropia

The purpose of this study was to report long-term outcomes after unilateral recess / resect surgery for basic intermittent exotropia with minimal follow-up of 10 years. This was a retrospective review of 445 patients with surgery for basic intermittent exotropia:...

Age versus heterophoria and fusional vergence measures

This study aimed to establish the relationship between age, horizontal heterophoria, horizontal vergences, positive / negative fusional vergence and vergence facilities. The study recruited 112 subjects aged 39.8 ±14.97 years (range 18-65) of which 54.5% were female. There were 49...

Hess vs. Harms vs. PCT measurements

This study aimed to compare the results of the different tests in 36 strabismus patients and 18 healthy controls aged 6-81 years. Tests included alternate prism cover test, Hess screen and Harms screen. Because of glasses restrictions with the Harms...

Symfony and vivity: comparing two EDOF IOLs

This prospective, randomised, double-masked, single-surgeon study compared the visual outcome between two commonly used extended depth of focus (EDOF) lenses, the Tecnis Symfony IOL (Johnson & Johnson Vision) and the Acrysof IQ Vivity IOL (Alcon Laboratories, Inc.). Sixty-nine patients underwent...

Saccadic measurements in intermittent exotropia vs fusional amplitude

The authors investigated the correlation between fusional convergence amplitude and saccades during the shift from exotropia to binocular fixation during the cover / uncover test. This was an observational study of 15 patients (six female, nine male) with intermittent exotropia....

Four rectus muscle surgery for infantile nystagmus syndrome

The authors present a case report of infantile nystagmus syndrome (INS) with abnormal head posture (AHP) of face turn, head tilt and chin depression with a single-step surgery of all four horizontal rectus muscles. The case was a 26-year-old male...

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...

Combined in-office and home-based eccentric viewing training for central vision loss

This retrospective study aimed to investigate the effectiveness of an eccentric viewing training (EVT) programme delivered in a real-world setting (home exercises) by combining a traditional EVT technique with biofeedback training using microperimetry. The authors investigated potential relationships between visual...

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...