FOCUS CHANGE TRAINING DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a focus change training device for eyeballs to recover the flexibility of locked ciliary muscle.SOLUTION: A focus change training device for eyeballs includes a binocular unit that sprays a gas richer in oxygen than the air to around eyeballs to massage ciliary muscle, the binocular unit having focus change means to change the focus of eyeballs.SELECTED DRAWING: Figure 3