Visual loss describes temporary or permanent reduction in visual acuity and/or field. Its aetiology is diverse due to the contributions of the different neuro-ophthalmic structures (eye, optic nerve, and brain) to image formation and perception, but may be categorised into ocular causes (corneal, lenticular, vitreoretinal and macular) or optic neuropathies.
Ophthalmology
Diagnostic Criteria of Dry Eye Disease
Dry eye disease (DED) is a multifactorial disease of the tears and ocular surface that results in symptoms of discomfort, visual disturbance, and tear film instability with potential damage to the ocular surface. It is accompanied by increased osmolarity of the tear film and inflammation of the ocular surface.
IWOS Criteria for the Diagnosis of Ocular Sarcoidosis (OS)
Sarcoidosis is a systemic inflammatory disorder with unknown aetiology, affecting many organs including the eye and characterised by non-caseating granulomas.
International Classification of Retinopathy of Prematurity
The International Classification of Retinopathy of Prematurity (ICROP) was published in 2 parts, the first in 1984 and later expanded in 1987. It was a consensus statement of an international group of retinopathy of prematurity experts.