Contact type profile measuring method of optical lens surface. - Der-Chin Chen; Ming-Jun Liu; Jih-Yi Liao; Feng-Ming Yeh; Yung-Fu Liu; Ya-Hui Hsieh (ISPACS, 2021)

Portable Howell heterophoria measurement device. - Der-Chin Chen; Feng-Ming Yeh; Shyang Lin; Yung-Fu Liu; Ya-Hui Hsieh; Wei-Hsin Chen (ISPACS, 2021)

Measurement of contrast sensitivity in adults by optical grating. - Feng-Ming Yeh; Der-Chin Chen; Ya-Hui Hsieh; Yu-Chi Chen; Yung-Fu Liu; Jiann-Hwa Lue (ISPACS, 2021)