A person with low vision is one who has impairment of visual function for whom full remediation is not possible by conventional spectacles, contact lenses or medical intervention and which causes restriction in that person's everyday life.

What are some terms used interchangeably with low vision?

Visually impaired, partially blind, partially sighted, visually challenged, subnormal vision

What does the term 'blind' often imply?

'Educationally, legally, functionally'. It often indicates visual impairment requiring specialist services or financial assistance and carries the perception that 'all sight is gone'.

How is 'visual impairment' defined?

It is a broader spectrum of sight loss that includes 'partial sight, low vision, subnormal vision'.

How was 'subnormal vision' defined in the 1950s and 1960s?

It was defined as visual acuity of 20/70 or worse with the best conventional optical correction.

When was 'low vision' defined and how?

In 1975, it was defined as reduced central acuity.

Test your knowledge on low vision with this quiz! Learn about the definition of low vision and discover other terms used interchangeably with this condition. Find out how low vision can impact everyday life and explore the limitations of conventional spectacles and medical intervention.