You searched for "Refraction"

2902 results found

Slanted MR surgery for convergence excess ET

The authors aimed to evaluate the surgical outcomes of bilateral slanted recessions of the medial rectus (MR) muscles in patients with convergence excess esotropia (ET). This retrospective study included 16 patients with a mean age at surgery of 5.6 ±3.05...

Conversion to strabismus and amblyopia

This study was undertaken to evaluate the incidence of true manifest strabismus, the visual acuity at school screening and whether risk of failing screening is different in those discharged at first visit or followed up. The author reviewed 248 children...

Identification and diagnosis of thalamic haemorrhage

This paper presents a case of thalamic haemorrhage and discusses clinical findings, providing valuable insight into signs clinicians need to look for. The case presented is of a 76-year-old female who developed left hemiplegia and hemi anaesthesia. Ocular motility testing...

Prism cover test variances

The purpose was to establish the inter-examiner variability and agreement between more than two examiners assessing children and adult patients. The study involved four experienced examiners. The alternate prism cover test (APCT) was conducted at near and distance in 41...

Visual impairment in patients with glaucoma

This retrospective observational study assessed the prevalence of end-of-life visual impairment in patients with glaucoma. A total of 122 deceased patients followed for glaucoma were included and data was collected from patient notes. Sixty-one patients had open-angle glaucoma and 61...

Risk factors and untreated POAG

The authors examined 50 untreated open angle glaucoma patients to determine if there was an association between the level of glaucomatous damage and documented risk factors. In this study the authors measured the extent of morphologic and functional glaucomatous damage...

BT for retinal detachment strabismus

The authors report the use of botulinum toxin (BT) as a treatment option in 140 patients with strabismus relating to retinal detachment surgery. The BT dose was 2.5 units of Dysport. Mean follow-up was 27 months (3-203) with a mean...

Fibrosis treated with amniotic membrane

In this paper, the authors describe the surgical management of complex strabismus using amniotic membrane grafts in six patients with complex, repeat previous strabismus surgery and two patients with periocular surgery. Frozen amniotic membrane allograft was used. The study had...

Vertical disparity effects on horizontal fusion

This study was designed to investigate the effect of induced vertical disparity by prisms on horizontal fusional reserves at near distance. One hundred and seventy students were recruited and vertical disparity was induced by small vertical prisms of 0.5 and...

Impact of preop occlusion on surgical outcome

The purpose of this study was to evaluate the effect of improved control with part-time occlusion treatment on the final postoperative surgical outcome in patients with intermittent exotropia. Eighty-nine patients were recruited who had unilateral lateral rectus recess / reset...

AC/A measurement differences

The authors sought to investigate differences in stimulus accommodative convergence/accommodation (AC/A) ratio using various techniques and accommodative stimuli. The study included 81 orthoptic students; 15 males and 66 females with a mean age of 21 years ±1. Ocular deviation was...

Surgery for lost inferior rectus muscle

This prospective study evaluated the impact of simultaneous ipsilateral superior rectus (SR) recession and superior rectus (IO) anterior transposition on the primary position alignment in six patients with traumatic loss of the inferior rectus (IR) muscle. Five males and one...