What Is Eye Axis - The 180 degree line runs across the eye, east to west. Web the axis measurement in your eye prescription holds great importance in determining the accuracy and effectiveness of your vision correction. The axis value is essential to this alignment. Web axis is measured in degrees, and refers to where on the cornea the astigmatism is located. Axis numbers go from 0 to 180. The axis provides the exact location, like a map coordinate, guiding where the corrective power should be applied on the lens. A lens must be oriented in precisely the right direction to correct your vision. If you think of the eye as a map hanging on a wall, the 90 degree axis or line, runs up and down (or north to south) on the eye. Web the axis helps in the following ways:
Web the axis helps in the following ways: The axis value is essential to this alignment. If you think of the eye as a map hanging on a wall, the 90 degree axis or line, runs up and down (or north to south) on the eye. Axis numbers go from 0 to 180. The 180 degree line runs across the eye, east to west. The axis provides the exact location, like a map coordinate, guiding where the corrective power should be applied on the lens. A lens must be oriented in precisely the right direction to correct your vision. Web the axis measurement in your eye prescription holds great importance in determining the accuracy and effectiveness of your vision correction. Web axis is measured in degrees, and refers to where on the cornea the astigmatism is located.