You searched for "melanocytes"
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...Cancer associated retinopathy
Abdul Muhyemin Tarin reviews the presentation, pathophysiology and management of this paraneoplastic syndrome. Case presentation A 60-year-old hypermetropic female patient presented with several months’ history of painless blurred vision. Visual acuity (VA) was 6/24 and 6/9-1 in right and left...PD-1 and PD-L1 in exenteration specimens
This is an immunohistochemical study looking at variation in the expression of the programmed death-1 receptor (PD-1) and the programmed cell death ligand-1 (PD-L1), comparing cutaneous malignancies which invaded the orbit with uncomplicated nodular basal cell carcinomas. The authors retrospectively...Patient changes eye colour permanently and has brighter and whiter looking eyes
1 December 2017
|
EYE - Cornea, EYE - General
In this new series, Simerdip Kaur takes a look at the latest ophthalmology-related news stories and asks which are scientific reality and which are ‘fake news’. Headline: Patient changes eye colour permanently and has brighter and whiter looking eyes If...
Choroidal melanoma – breaking bad news
Case report A 55-year-old Caucasian female presented to her general practitioner with a three-month history of headaches and worsening blurred vision in the left eye. On further close questioning, she reported no eye pain, intermittent floaters and flashes of light...Uveal melanoma
3 August 2023
| Mertcan Sevgi, Timothy Beckman, Paul Cauchi, Julie Connolly, Vikas Chadha
|
EYE - Pathology, EYE - Oncology, EYE - Imaging
Uveal melanoma is the most common primary intraocular tumour. However, they are still rare, with an incidence of 2-8 per million [1]. The presence of a choroidal naevus is a risk factor for uveal melanoma [1]. Patients with choroidal lesions...
Congenital aniridia with or without retinal detachment
The authors present the clinical and molecular genetic evaluations performed on a large Iranian pedigree with 26 aniridia affected patients in four generations and some with retinal detachment. Members of the family affected with aniridia were invited to participate after...In vivo confocal microscopy, principles and use in keratitis Part 1: Principles
In 1968 Maurice introduced the concept of high powered specular microscopy, it was in that very year that the first scanning confocal microscope was proposed. Marvin Minsky developed the first confocal microscope in 1955 named the ‘double focusing scanning microscope’....The role of inflammation in the pathophysiology of DMO
1 February 2016
| Fiona Harris, Spyridon Chalkiadakis, Simon Taylor (Prof)
|
EYE - Vitreo-Retinal
Diabetic macular oedema (DMO) is a major cause of visual loss in diabetes, with a complex multifactorial pathogenesis. In the UK alone it is estimated that there are nearly 2.5 million diabetic patients aged over 12 years. Approximately 65,000 of...
The assessment of pupils and pupillary reactions
1 October 2015
| Li Yen Goh
|
EYE - Vitreo-Retinal
Understanding pupillary reactions is vital in understanding basic neuro-opthalmology. It is a skill required in eye casualty, clinics and perhaps most importantly, exams. To start at the beginning, the pupil is the central aperture of the iris, its size controlling...
Doctor prints cornea on demand!
Simerdip Kaur takes a look at the latest ophthalmology-related news stories and asks which are based on facts and which are ‘fake news’. Headline: Doctor prints cornea on demand! Dr Hideo Kodama from the Nagoya Municipal Industrial Research Institute first...Investigating the link between corneal clarity and statin use
2 February 2024
| Mohammad Nofal Usman, Nadia L Chaudhry
|
EYE - Cornea
Transparency is a vital attribute of the cornea, necessary in preserving healthy vision. Maintaining this requires the collective input of the various layers of the cornea. Mostly, the layers implicated in this are the corneal stroma and endothelium [1]. Our...