You searched for "pigment"

3253 results found

How do blind and vision impaired people experience loneliness and isolation?

This week Fight for Sight / Vision Foundation released a report highlighting the acute experiences of loneliness among people who are blind or vision impaired.

Primary eyecare welcomes Government’s commitment to improve access to care

The Association of British Dispensing Opticians (ABDO), The College of Optometrists and the Federation of Optometrists and Dispensing Opticians (FODO) back the Government’s commitment to put patients in the driving seat and give them more control and choice over their...

RNIB appoints Sir Jim Harra as new Vice Chair

The Royal National Institute of Blind People (RNIB) has appointed Sir Jim Harra to take up the roles of Vice Chair of the Board of Trustees and Chair of the Governance, Nominations and Remuneration Committee. Jim was previously a Permanent...

Defence Medical Services Ophthalmology Conference 2024

by Dr Ben Smith, General Duties Medical Officer (Army), Tidworth, UK. This annual national meeting of tri-service defence ophthalmologists was held in the beautiful and historic setting of Merton College in Oxford, hosted by Professor Robert MacLaren, the current Professor...

Confocal microscopy and corneal graft rejection

Forty-five patients following penetrating keratoplasty (PK) were examined with the HRT III Rostock Cornea Module confocal microscope at various points after their surgery for two years. Activated keratocytes (AKs) were counted manually and their mean number evaluated. A pattern was...

Conversion factors for fovea on / off detachments

This is a retrospective study of medical records in a single unit over a 14 year period from January 2001 – December 2014, of patients who converted from fovea-on to fovea-off rhegmatogenous retinal detachment (RRD). Ten cases were identified while...

Closed-chamber haptic re-externalisation for posteriorly displaced sclerotomy and inadequate haptic tuck in glued posterior chamber intraocular lenses

This technique (online video http://jcrsjournal.org) emphasises the importance of both symmetrical and sufficient anterior placement of sclerotomies to externalise an adequate length of the haptics, which in turn provides good centration and stability of the intra-ocular lens (IOL). The authors...

ILM peeling in primary rhegmatogenous retinal detachment

This author retrospectively analysed the correlation between internal limiting membrane (ILM) peeling and the occurrence of a postoperative epiretinal membrane (ERM) in patients who underwent vitrectomy for rhegmatogenous retinal detachment (RD). There were 135 medical records investigated. Seventy patients underwent...

Rare case reports of benign optic glioma in adults with clinically aggressive nature

Primary optic nerve gliomas are most commonly benign and occurring in childhood. Malignant optic gliomas occur in adulthood and follow an aggressive course usually leading to blindness and death within months. This paper describes the clinical and histopathological features of...

Myopia rate of change from 5-20 years

Data was collected from the 2008-12 KNHANES survey and the study included 7695 of 9351 subjects with refractive data. The mean age was 11.8 years (5-20 range) with 48.2% female. Mean spherical equivalent was -1.82 ±2.23D. For five-year-olds, the mean...

Measurement considerations in OCT results with suspected glaucoma

The purpose of this study was to determine retinal nerve fibre (RNFL) thickness parameters and assess the relationship between the cup-to-disc (CD) ratio and RNFL measurements of paediatric patients who had optic nerve appearance suspicious for glaucoma based on enlarged...

Chorioretinal atrophy in punctate inner choroidopathy / multifocal choroiditis

This study reported the five-year outcomes of chorioretinal atrophy (CRA) progression in patients with punctate inner choroidopathy (PIC) or multifocal choroiditis (MFC) in 45 eyes of 36 patients. The mean age of the cohort of patients was 37 ±13.37 years...