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Single corneas of nine patients about to undergo full-thickness corneal keratoplasty were exposed to thiomersal by application of a hydrophilic gel contact lens preserved with this mercurial agent. These lenses were removed at operation 4 h later, and the lenses, corneal buttons, and samples of aqueous were taken for determination of total mercury by wet(More)
Unless there is a contraindication (e.g. trauma or corneal ulcer), all adults attending an eye unit should have their intraocular pressure (IOP) measured. Many people with glaucoma have no symptoms and do not know they have the condition. All children who have had cataract surgery should also have their IOP measured at every follow-up visit, if possible.(More)
One of the delights of ophthalmology is to witness the joy on the face of a patient with cataract when the dressing is taken off and sight has been restored. Unfortunately, for some patients, the result does not live up to their expectations. Despite cataract surgery being one of the most successful surgical interventions available, there is evidence that(More)
In order to ensure good cataract outcomes with the minimum of complications, the following are all essential: • Well-trained staff • Excellent teamwork • Good pre-operative evaluation (including history taking, examination, investigations and biometry) • Infection control (including prophylaxis) • Functioning equipment • Sufficient consumables (including(More)
th General Assembly was 'Excellence and equity in eye care' – superlative sound bites perhaps, but when those words are considered in the context of VISION 2020, they take on a meaning that should define all our efforts to combat avoidable blindness. Striving for excellence Allen Foster, in his inspiring 'Sir John Wilson' oration, urged that excellence(More)
Every eye surgeon has experienced – or will experience – that sinking feeling when the posterior capsule is ruptured and vitreous comes forward into the anterior chamber. At that moment everything changes, including the heart rate of the surgeon and the possible outcome for the patient. But all is not lost. If the theatre team are well prepared, the(More)
Endophthalmitis is a rare, but serious, postoperative complication of cataract surgery. It can have a devastating consequence on a patient's vision: some patients may lose all light perception. The incidence of endophthalmitis has been reported to be between 0.13% and 0.7%. 1 The primary source of this intraocular infection is considered to be bacteria from(More)