nägemisväljas
Nägemisväljas refers to the field of vision, the entire area that can be perceived by the eye at any given moment without moving the head or eyes. It is typically measured in degrees. A healthy human eye has a horizontal field of vision of approximately 150-160 degrees and a vertical field of vision of about 135 degrees. This field of vision is not uniform; the central part, known as the foveal vision or sharp vision, allows for detailed perception, while the peripheral vision provides a broader, less detailed awareness of the surroundings.
The field of vision can be affected by various factors. Certain medical conditions, such as glaucoma, retinitis
Testing the field of vision, or perimetry, is a common diagnostic procedure used by ophthalmologists and optometrists