Learn what a visual field is, how to test it, when to test it, and what different types of tests can be used to test the visual field.

This is an image to demonstrate visual 'crowding' and test peripheral vision. Ensure that the red dot in the centre of the image is at eye level and focus on it. While holding your focus on the ...

This is an image to demonstrate visual 'crowding' and test peripheral vision. Ensure that the red dot in the centre of the image is at eye level and focus on it. While holding your focus on the ...

And it was better than the correlation with visual acuity because a person can have excellent central vision but a loss of peripheral field. Our contrast sensitivity test assesses both central and ...

A 66-year-old man was seen in the glaucoma clinic at Tufts Medical Center due to visual field changes, referred to neurology and then to neuro-ophthalmology with gradual left-sided peripheral ...

Find out what you need to know about blind spots (scotomas). Learn about their causes, the treatment required, and how they affect your vision.

Hemianopia is a loss of half a person’s peripheral vision. This means a person loses the right half or left half of vision in each eye. Hemianopia can occur from injury to the brain, such as a ...

Limitations Monocular vision loss reduces your horizontal visual field and peripheral vision. This can make it hard to navigate crowds while walking.