IOP correction for Central Corneal Thickness

Central Corneal Thickness (μm) Correction Value (mmHg)
410 +10
415 +10
420 +9
425 +9
430 +8
435 +8
440 +7
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

References

Ehlers N., Bramsen T., Sperling S. Applanation tonometry and central corneal thickness. Acta Ophthalmol. 1975;53:34–43