| 摘要 |
PROBLEM TO BE SOLVED: To provide an ophthalmic equipment with which corneal curvature distribution and refractivity are obtained with a single equipment to enhance an inspection efficiency and both of their measured data can be made correspond to each other. SOLUTION: This ophthalmic equipment having a positional adjustment means for alignment of the equipment into a prescribed relation with respect to an eye to be examined is provided with a refractivity measuring unit having a first index projection means for projecting an index for measuring refractivity to the eyeground of the eye to be examined, a detection means for detecting the position of the index image of the projected first index and a refractivity arithmetic means for obtaining the refractivity of the eye to be examined based on the position of an index image, and a curvature measuring unit having a second index projection means for projecting an annular pattern to the center area of the cornea of the eye to be examined by an optical system partially shared with the optical system of the first index projection means and projecting the annular pattern to the center area by an optical system independent from the projecting optical system, an index imaging means for imaging the annular pattern projected to the cornea, and a curvature arithmetic means for calculating a curvature of each small area of the cornea based on the position of a ring pattern image obtained by processing an image photographed by the index imaging means. |
