CCT in microns IOP correction mm Hg

BMC Ophthalmol. 2008; 8: 1.

Correction table used for adjusting IOP based on central corneal thickness (provided with Pachmate™ pachymeter) and based on Ehlers et al (Ehlers N, Bramsen T, Sperling S.

Applanation tonometry and central corneal thickness. Acta Ophthalmol (Copen) 1975;53:34–43.)
445 +7
455 +6
465 +6
475 +5
485 +4
495 +4
505 +3
515 +2
525 +1
535 +1
545 0
555 -1
565 -1
575 -2
585 -3
595 -4
605 -4
615 -5
625 -6
635 -6
645 -7