You searched for "Refraction"

2322 results found

Cyanoacrylate vs. fibrin glue

This study compared the safety and efficacy of fibrin and cyanoacrylate glue for refixating the recessed muscle to the sclera in patients undergoing strabismus surgery. The fibrin group (a) included 21 eyes of 15 patients; mean age of 11.6 ±7.49...

Intravitreal functional plasminogen in branch retinal vein occlusion

Branch retinal vein occlusion (BRVO) is the second most common vascular disorder of the eye. Intravitreal injections of anti-VEGF agents and corticosteroids have proven efficacy. Posterior vitreous cortex (PVC) adhesion has been shown to support the development of retinal vein...

Therapeutic ocular surface medium for persistent corneal epithelial defect

Corneal ulcers and persistent epithelial defects (PEDs) are caused by a variety of different insults to the cornea, which includes limbal epithelial stem cell failure. PED may be resistant to healing with standard therapy such as frequent ointments and /...

Work experience in ophthalmology as an A-Level student

Importance of work experience Medical schools expect applicants to understand what a career in medicine involves, which can be gained through work experience and volunteering. It is strongly recommended by the Medical Schools Council that work experience involves working in...

Diagnosis of ocular tuberculosis

This review article provides an update on the methods diagnosing ocular tuberculosis (TB), the difficulties in making the diagnosis and makes recommendations to a more accurate diagnosis by combining the available diagnostic tests. Today ocular TB remains a presumptive clinical...

Are corneal guttata an additional risk factor in complicated cataract surgery needing a future corneal transplant?

This registry-based cohort study from Sweden utilised data from the Swedish National Cataract Registry and the Swedish Cornea Transplant Registry. Patients who underwent phacoemulsification with a posterior intraocular lens between 2010 and 2012 numbered 192,476. Of these cases, 288 underwent...

Ocular motility disturbances after glaucoma drainage device

This is a cross-sectional study of children (<17-years-old) with a glaucoma drainage device (GDD) (Ahmed vs Baerveldt) implanted consecutively by a single surgeon from the Toronto group, between September 2006 and May 2018 and who had an ocular motility examination...

Differentiating orbital tumours on MRI

This is a literature review examining the ability of specific MRI modalities to differentiate between benign and malignant tumours of the orbit. The authors identified 29 articles reporting diffusion weighted image (DWI) values and corresponding apparent diffusion coefficients (ADC) for...

Twenty-four hour IOP patterns in patients with thyroid eye disease (OO/GL)

Elevated IOP in patients with thyroid eye disease (TED) can be caused by restriction and compression of the globe by enlarged extraocular muscles, elevated episcleral venous pressure and increased mucopolysaccharide deposition in the trabecular meshwork. Although previous studies have investigated...

How common is ocular trauma in children and what are the clinical features?

The authors present a multicenter retrospective case review with the aim of reporting the incidence and characteristics of paediatric ocular trauma. Records for individuals aged 18 and under with a diagnosis of globe, orbit or adnexal injury over a 10-year...

A single intravitreal bevacizumab in the treatment of breast carcinoma related choroidal metastasis

Case report Choroidal metastasis represents a common form of intraocular malignancies occurring in up to 10% of patients with systemic metastasis [1]. The most common primary sites of ocular metastasis are breast carcinoma in women and lung carcinoma in men,...

Aug/Sep 2019 Quiz

History A 73-year-old female patient was referred for rapid growth of two new lesions on the face. She had past medical history of systemic lymphoma. On examination, there was a palpable mass over the left superior orbital region and the...