PROBLEM TO BE SOLVED: To provide an orthoptics device which can correct a visual acuity allowing a user with low visual acuity to view an object small in size and in distance.SOLUTION: An orthoptics device 100 includes: a first tube to which an ocular lens having a first focal distance on a tip inner peripheral surface is installed a second tube 20 which is inserted in the first tube and moves forward and backward in the first tube, and to which an object concave lens having a second focal distance and an intermediate concave lens having a third focal distance are installed on a tip inner peripheral surface and a third tube 30 formed outside of the first tube and the second tube and connected to the second tube.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2018,JPO&INPIT【課題】低視力者が物体を小さくて遠く見るようにして視力を補正することができる視力矯正装置を提供する。【解決手段】視力矯正装置100は、先端内周面に第1焦点距離を有する接眼レンズが取り付けられる第1管体;前記第1管体内に挿入されて前記第1管体の内部で前後進移動し、先端内周面に第2焦点距離を有する対物凹レンズと第3焦点距離を有する中間凹レンズが取り付けられる第2管体20;及び前記第1管体と前記第2管体の外部に形成され、前記第2管体と結合する第3管体30;を含む。【選択図】図1
