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Understanding amniotic membrane grafts

Safa Elhassan gives a brief review of amniotic membrane grafts and their application in theatre and clinic-based settings. Amniotic membrane (AM) transplant has been an established adjuvant treatment for many corneal, conjunctival and scleral disorders in ophthalmic clinical practice with...

Chemical injury

You are the on-call ophthalmologist. You receive a call from A&E regarding a 45-year-old man who sustained a chemical injury. He was mixing some cement, when a small amount entered his left eye. He was not wearing any protective goggles....

Stem cell transplantation and pterygium surgery

Pterygium is a benign, fibrovascular overgrowth of bulbar conjunctiva extending onto the cornea and has been associated with ultraviolet (UV) light exposure. The prevalence of pterygium worldwide varies between geographical zones but has been reported to range between three and...

Choosing a subspecialty

It is quite worrying how many registrars reach the final years of training without choosing a subspecialty. Sometimes this is because they love everything and cannot countenance giving any of it up, but more commonly this is due to various...

Topography-guided photorefractive keratectomy in the treatment of corneal scarring

This study reports the outcome of topography-guided photorefractive keratectomy (TG-PRK) in the treatment of patients with corneal scarring. A retrospective case series including six eyes of six patients with corneal scarring and irregular astigmatism who underwent topography guided PRK. The...

Surgical options for the treatment of hyperopia

The modern refractive surgeon has a variety of options available to treat patients with hyperopia who wish to be independent of spectacles and contact lenses. Unlike in low myopia where presbyopic patients may have the ability to see well for...

Results of corneal cross-linking in very steep corneas

Corneal cross-linking (CXL) has been shown to be a safe and valid treatment option for progressive keratoconus and have shown an arrest of progression with a low failure rate of 0% to 2.8% in mild to moderate keratoconus. A Kmax...

Retrospective safety assessment of apraclonidine for diagnosis of Horner’s syndrome in children

Apraclonidine has been shown to reverse the anisocoria in Horner’s syndrome, with some reports of partial ptosis resolution. Side-effects of apraclonidine have been reported especially in children under six months old. The authors present a retrospective safety study of using...

Dec/Jan 2016 Quiz

History A 40-year-old swimming instructor undergoes an enucleation for a blind painful eye. There is a history of soft contact lens wear. She has had a corneal abscess and corneal graft procedures in the past. Questions 1. What does this...

Patients use their own blood to treat dry eye symptoms

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: Patients use their own blood to treat dry eye symptoms Grossman first described the technique of...

DMEK versus DSAEK

This systematic review and meta-analysis reviewed published evidence comparing two endothelial corneal transplants techniques; Descemet membrane endothelial keratoplasty (DMEK) and Descemet stripping automated endothelial keratoplasty (DSEAK). DMEK involves transplanting Descemet membrane with endothelial cells without any overlying stroma. In DSAEK...

Scheimpflug images and graft rejection

This study aimed to assess corneal changes using 360-degree Scheimpflug images and pachymetry readings to outline screening parameters, which define graft rejection. Seventeen eyes of 16 patients developed clinically manifest allograft rejection two to 42 months after surgery – those...