Surgical Options for the Refractive Correction of Keratoconus: Myth or Reality

Table 2

Summary of visual and refractive outcomes of the posterior chamber phakic intraocular lens implantation in keratoconic eyes.

Author/year	Level of evidence [13]	pIOL	Eyes (n)	KC stage	Follow-up (months)	Mean change from preoperative to last follow-up visit				Predictability SE		Complications
						UDVA	CDVA	Sphere (D)	Cylinder (D)	Within ±0.5 D (%)	Within ±1.00 D (%)
Alfonso et al. [33]	IV	ICL	25	—	12	—	0.05 (decimal)	8.6	0.71	84	100	No
Kamiya et al. [34]	IV	Toric ICL	2	—	3	0.79 (decimal	0.4 (decimal)	9.1	3.25	50	100	No
Alfonso et al. [35]	IV	Toric ICL	30	I and II	12	0.66 (decimal)	0.07 (decimal)	3.62	3.07	93.3	100	No
Kamiya et al. [36]	IV	Toric ICL	27	I and II	6	1.6 (logMAR)	0.04 (logMAR)	—	2.47	85	96	No
Kurian et al. [37]	IV	ICL and toric ICL	10	I to III	6	0.52 (decimal)	0.11 (decimal)	5.20	2.15	30	70	—
Hashemian et al. [38]	IV	Toric ICL	22	I to III	6	—	0.22 (decimal)	3.8	1.54	68.2	90.9	No
Kamiya et al. [39]	IV	Toric ICL	21	I and II	36	1.52 (logMAR)	0.05 (logMAR)		2.59	67	86	No