A literature survey of amplitudes of accommodation in various countries is presented. Results of push-up and minus-lens determination of 447 patients in Nigeria are compared with previous results. A smaller decrement in amplitude due to temperature than previously accepted is suggested.

No abstract

A literature survey of amplitudes of accommodation in various countries is presented. Results of push-up and minus-lens determination of 447 patients in Nigeria are compared with previous results. A smaller decrement in amplitude due to temperature than previously accepted is suggested.

No abstract

No abstract