Repeatability and Agreement of Central Corneal Thickness and Keratometry Measurements between Four Different Devices

Table 1

CCT and keratometry measurements from all 4 devices.

Parameter	Device
	IOLMaster 700	Pentacam HR	iDesign	Cirrus HD-OCT
CCT [μm]
Mean ± SD	543.20 ± 31.69	554.19 ± 26.86	—	542.75 ± 31.34
Range	472–616	484–614		468–628
J0 [D]				—
Mean ± SD	0.350 ± 0.367	0.384 ± 0.342	0.358 ± 0.353
Range	−0.65–1.32	−0.51–1.18	−0.58–1.21
J45 [D]				—
Mean ± SD	−0.027 ± 0.197	−0.385 ± 0.218	−0.023 ± 0.205
Range	−0.55–0.44	−0.73–0.41	−0.56–0.47
Kmean [D]				—
Mean ± SD	42.76 ± 1.49	43.25 ± 1.51	43.52 ± 1.54
Range	38.89–45.90	39.42–46.43	39.54–46.65

CCT: central corneal thickness; J0: astigmatism 90/180 degrees; J45: astigmatism 45/135 degrees; Kmean: mean keratometry; —: no data available because of device specifications.