Multiple Sclerosis (MS) Glossary
Glossary - V
visual field defect
- visual field defect - abnormal enlargement and widening of the blind-spot of the eye; multiple blind spots.
Where the optic nerve enters the eye, there is a blind spot. This is normal for everyone and is caused by a small gap in the light receptors at the back of the eye where the nerve enters. Visual field defect is the development of multiple blind spots or the enlargement of the existing one.
| vaginal hemorrhage | varicose vein | vasospasm | venous pressure | ventricular extrasystoles | ventricular fibrillation | vesiculobullous rash | visual field defect |