There have been no previous reports regarding changes in detailed staff work through electronization in ophthalmology. The efficiency of electronization in ophthalmology was investigated based on the changes in detailed staff work with the introduction of electronic medical records. Inspections and training performed by orthoptists consisted of 88 items. There were 59 items in medical examinations and treatment performed by nurses. Medical examinations and treatments performed by doctors consisted of 32 items. There were 21 items in office work performed by clerks. In total, the efficiency of staff work increased after introduction of electronic medical records for all occupational descriptions. Orthoptists and doctors showed the greatest increases in efficiency.