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10 - 12 February 2017, MECC Maastricht,The Netherlands.

This Meeting has been awarded 15 CME credits.


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Spectacle prescription for presbyopic correction among populations in Thammasat University Hospital

Poster Details

First Author: N. Kanchanaranya THAILAND

Co Author(s):                     

Abstract Details


To determine the adding power for presbyopic correction in population visiting Thammasat university hospital


Thammasat university hospital


All patients who had problem with refractive error in Thammasat university hospital during January 2014 to December 2015 were invited in this study. Consent form was signed by the subjects. Demographic data such as sex, age, best correct visual acuity, and eye problem were also collected. Subjective presbyopic correction was performed by adding the plus lens until the subjects can read the near chart at least 20/30. The correlation between age and adding plus lens was determined.


A total of 243 subjects participated in this study. The age range that patients needed to add the plus to correct presbyopia started from 38 years old. The adding power also started from 0.75 diopters (D). The results showed that the adding lens increased according to the age of the subjects such as in age range 36 – 40 years old, the adding lens was 0.75 D. During 41 – 45 years old, the adding lens was 1.5 D. The adding lens was increased until the age range 76 – 80 years old.


Subjects visiting Thammasat university hospital needed to get presbyopic correction starting from 38 years old. The adding power started from 0.75 D. and increase according to the age of the subjects.

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