Quantitative Analysis of Gap Between the Intraocular Lens and Posterior Capsule Using Microscope-Integrated Optical Coherence Tomography in Eyes Undergoing Phacoemulsification

Figures & data

Figure 1 Classification of various sub-groups.

Table 1 Baseline Characteristics and Comparison of Mean Gap Between the Posterior Surface of the Intraocular Lens and the Posterior Capsule, as Measured Intra-Operatively by MIOCT and Postoperatively by Anterior Segment OCT

Parameters	Sub-Groups	N	%	Mean	SD	Mean IOL-PC Gap (MIOCT)	SD	Mean IOL-PC Gap (ASOCT)	SD	Inter-Group Difference (MIOCT)	Inter-Group Difference (ASOCT)
Age		105		61.3	11.32
Gender	M	56	53
	F	49	47
Cataract Grade	1 (NS 1)	10	9.5			325.5	168.71	110.2	50.50	0.49	0.78
	2 (NS 2, early central PSC)	49	46.6			421.84	300.36	135.61	117.33
	3 (NS 3, dense central PSC)	27	25.7			391	253.18	103.629	74.64
	4 (NS 4)	10	9.5			254.4	155.15	92.8	49.12
	5 (HMC, WC, TC)	9	8.5			378.55	258.97	135	87.66
Haptic Design	1 (C type)	101	96.19			376.94	259.03	118.16	93.74	0.42	0.66
	2 (Plate haptic)	4	3.81			590.62	362.76	188.25	120.59
IOL Type	1 (Tecnis)	32	30.47			399.20	237.68	120.71	73.39	0.55	0.61
	2 (Acrysof IQ)	56	53.33			387.70	280.95	127.80	108.42
	3 (Zeiss CT LUCIA)	3	2.85			487.5	496.07	126.66	175.91
	4 (Supraphob Toric)	2	1.90			525	212.13	100.5	84.14
	5 (CARE ACRIOL)	10	9.52			307.5	217.80	89.4	69.06
	6 (EYECRYLPLUS CLEAR)	2	1.90			180	42.42	96.5	33.23
IOL Size (mm)	1 (11)	2	1.90			581.25	662.91	208	171.11	0.59	0.76
	2 (11.25)	2	1.90			506.25	291.68	191.5	45.96
	3 (12)	3	2.85			525	456.20	99	47.50
	4 (12.5)	4	3.80			346.87	215.14	42.75	39.44
	5 (13)	94	89.52			375.48	254.44	121.5	95.58

Abbreviations: N, number of patients; SD, standard deviation; MIOCT, microscope-integrated optical coherence tomography; ASOCT, anterior segment optical coherence tomography; IOL, intraocular lens; PC, posterior capsule; M, male; F, female; NS, nuclear sclerosis; PSC, posterior subcapsular cataract; HCM, hypermature cataract; WC, white cataract; TC, total cataract.