Objective：To confirm that the lensometer adjusted by the special lenses group for contact lenses cant express the back vertex power of contact lenses.

证实采用接镜专用标准透镜组标定的焦度计能准确测定被测角膜接镜的顶焦度。

Objective：To confirm that the lensometer adjusted by the special lenses group for contact lenses cant express the back vertex power of contact lenses.

证实采用接镜专用标准透镜组标定的焦度计能准确测定被测角膜接镜的顶焦度。

Objective：To confirm that the lensometer adjusted by the special lenses group for contact lenses cant express the back vertex power of contact lenses.

证实采用接镜专用标透镜组标定的焦度计不测定被测角膜接镜的顶焦度。

Objective：To confirm that the lensometer adjusted by the special lenses group for contact lenses cant express the back vertex power of contact lenses.

证实采用接镜专用标透镜组标定的焦度计确测定被测角膜接镜的顶焦度。

Objective：To confirm that the lensometer adjusted by the special lenses group for contact lenses cant express the back vertex power of contact lenses.

证实采用接镜专用标准透镜组标的焦度计不能准被角膜接镜的顶焦度。

Objective：To confirm that the lensometer adjusted by the special lenses group for contact lenses cant express the back vertex power of contact lenses.

证实采用接镜专用标准透镜组标的焦计不能准确角膜接镜的顶焦。

Objective：To confirm that the lensometer adjusted by the special lenses group for contact lenses cant express the back vertex power of contact lenses.

证实采镜专标准透镜组标定的焦度计不能准确测定被测角膜镜的顶焦度。

Objective：To confirm that the lensometer adjusted by the special lenses group for contact lenses cant express the back vertex power of contact lenses.

证实采接镜专透镜组定的焦度计不能确测定被测角膜接镜的顶焦度。

Objective：To confirm that the lensometer adjusted by the special lenses group for contact lenses cant express the back vertex power of contact lenses.

证接镜专标准透镜组标定的焦度计不能准确测定被测角膜接镜的顶焦度。