Category: Visual impairment
This section is entirely dedicated to visual impairments
When we talk about visual impairment we mean the total or partial loss of the ability of a subject to perform, in total autonomy, the simple and recurring actions of daily life that require the support and contribution provided by the visual field.
These deficits can affect:
- visual acuity: in this case the subject is not able to distinguish the details that characterize an object. Visual acuity is also called visus and is measured by the optician or ophthalmologist.
- amplitude of the field of view: in normal conditions, it has a total amplitude of about 120 in the vertical plane and 180 in the horizontal one.
Visual deficits encompass all those problems that affect both with the vision and with the visual field. However, a distinction is made between blindness and low vision if one or both eyes are involved.
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