Measurement of proptosis was made with Luedde exophthalmometer by one examiner in 277 normal Thai subjects and 591 thyroidpatients.
RESULTS:
The mean proptosis of 168 normal Thaifemalepatients was 11.44 mm. The mean proptosis of 109 normal Thaimalepatients was 11.84 mm. The value of standard deviation in both groups was 2 mm. The 99% confidence limit for exophthalmoses in Thaimales was 16.5 mm and 16.1 mm in Thaifemales. The maximum value was 17 mm in males and 16 mm in females and the minimum value was 8 mm in males and 7 mm in females. The difference between both eyes was not greater than 2 mm.