- Methods Dioptric strength and axis oculi of five cases found in clinical work were analized retrospectively.
- Improved the method of measure axis oculi axis is the key to decrease the error.
- Keywords myopia axis oculi diopter;
- Compared with normal group,its axis oculi obviously increased;
- Keywords myopia;the length of vitreous;the ratio of thickness of eye lens to axis oculi;
- The heavy ax was awkward to use.