点光视网膜镜,团状光平面检影镜的英文

plane skiascope with group lighting

• 点:    drop
• 光:    light; ray
• 视网膜镜:    retinoscope; skias ...
• 团:    dumpling
• 状:    form; shape
• 平面:    plane; two dimensi ...
• 检:    check up; inspect; ...
• 影:    shadow
• 镜:    looking glass; mir ...