You searched for "Optics"

1954 results found

Practical Handbook of OCT (Retina, Choroid, Glaucoma)

With the rapid development and expansion in the usage of optical coherence tomography (OCT) technology there is always demand for a new OCT publication on the bookshelves. The operation and acquisition skills required are more easily acquired than for the...

Systemic sarcoidosis presenting with acute myopia and angle closure

Case report A 40-year-old Asian man presented to the Emergency Department with a one day history of sudden onset visual disturbance in his right eye. He complained of image distortion and noted that objects now appeared smaller. He also described...

Neurotrophic keratitis

The authors present an overview of the aetiology, diagnosis, current and future management options of neurotrophic keratitis. This is a degenerative corneal disease that occurs following the compromise of trigeminal innervation, leading to hypoesthesia and / or anaesthesia. The aetiology...

Use of technology in low vision rehabilitation

This article is a review of the accessibility features available on tablets and smartphones for the visually impaired. It explains exactly what the accessibility features are, how to access them and how to use them as well as some useful...

Introducing: iGLEAMS-3

30 September (Colchester FirstSite) – 1 October (Colchester ICENI Centre)

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...

Vitreomacular traction and full thickness macular hole

Clinical scenario: A 64-year-old lady presented to the clinic with a few weeks history of sudden onset of metamorphopsia, central blur and reduced vision in her right eye. The ocular examination and ocular coherence tomography confirmed right eye focal vitreomacular...

Managing cataract surgery in a patient with diabetic maculopathy

A 56-year-old type 2 diabetic with previously treated bilateral diabetic maculopathy develops a cataract requiring surgery in the right eye. He has had grid laser previously, followed intermittently by intravitreal triamcinalone, Avastin and more recently Lucentis in both eyes. His...

Intravitreal ranibizumab for the treatment of myopic CNV

The authors conducted a prospective study. Sixty-four patients (65 eyes) attended the 12-month follow-up examination. The mean patient age was 47.8 years. Fifty-five patients (86.0%) were females. All patients had pathologic myopia (a spherical equivalent of more than − 6.0...

Radiation retinopathy

The authors review the current treatment options for this condition. Radiation retinopathy (RR) occurs as a complication after exposure to any type of radiation (external beam, plaque brachytherapy and stereotactic radiosurgery) in the orbital or adnexal region. These include nasopharyngeal...

Management of proliferative diabetic retinopathy

Diabetic retinopathy is a major cause of blindness in the working-age population. Due to the worsening global epidemic of diabetes, the incidence of morbidity caused by the disease is set to increase [1]. The prevalence of diabetes in the UK...

The fragile p-value

Abdus Samad Ansari explores the limitation of the p-value and the application of the fragility index in clinical trials. Clinical trials and tribulations? The restoration of vision or more purely the gift of sight is an aspect of care that...