Retinitis pigmentosa is a genetic disease which causes progressive and irreversible damage to the retina, resulting in blindness. It affects about 1 in 4,000 people. There are at least 50…
Introduction A squint (or strabismus) is a misalignment of the visual axis of the eyes. Eye Movements Superior Rectus: Abduction and elevation Lateral Rectus: Abduction Inferior Rectus Abduction and depression…
Introduction Sudden loss of vision is very distressing for patients. It can also sometimes cause unusual behaviour and it is important not to mistake this as psychogenic in origin! Most…
Introduction Most acute ophthalmological presentations can be divided into three main categories: The painful red eye The sudden painless loss of vision Eye trauma In this article, we consider the…
Introduction Typically associated with the signs of Grave’s disease (goitre, acropathy, hyperthyroidism and pretibial myxoedema). Autoimmune orbital disease may occur without thyroid autoantibodies Clinical features Swelling of the eyelids Oedema…
Before the Optic chiasm - The visual field loss is seen on the same (ipsilateral) side as the lesion. Fig 1 – lesion of right optic nerve gives a…
Loss of vision, also known as visual failure is a common presenting complaint. It is an important presentation, but left untreated, many causes of sudden visual loss can rapidly result in…
Causes Excessive tear production – rare, may be seen in dry eye (drying of the eye leads to increased secretion of tears) Lid malposition causing punctal malposition - mild ectropion…