Perimetry, also known as visual field testing, is an essential diagnostic tool for assessing various ophthalmic conditions, including glaucoma, optic neuropathies, and disorders affecting the retina ...

In the specialized fields of ophthalmologyand optometry, doctors measure sight by having you focus on a central point while keeping your head still. You’ll also be able to see above and below the ...

It has previously been reported that the human visual system has an asymmetry in the visual field. For example, humans are better at finding faces in the upper visual field than lower visual field ...