視し軸じく

noun

optic axis; visual axis; line of vision

Technical term in optics and ophthalmology referring to the line from the fovea through the nodal point of the eye to the point of fixation.

• 視し軸じくがずれると、両りょう眼がん視しに問もん題だいが生しょうじることがある。

  When the visual axes are misaligned, problems with binocular vision can occur.