Vitreous Incarceration in Patients Undergoing Second 20-Gauge Pars Plana Vitrectomy for Recurrent Retinal Detachment

Table 2

Frequency of vitreous incarceration of different grades at each sclerotomy sites in the 82 included eyes.

Different sites	Grade 0		Grade I		Grade II		Grade III		Grade IV		Total
	N	%	N	%	N	%	N	%	N	%	N	%
Infusion pipe	56	68.3	9	11.0	13	15.9	4	4.9	0	0	26	31.7
Light pipe	14	17.1	28	34.1	9	11.0	10	12.2	21	25.6	68	82.9
Vitreous cutter	12	14.6	16	19.5	9	11.0	9	11.0	36	43.9	70	85.4
Total	82	33.3	53	21.5	31	12.6	23	9.3	57	23.2	164	66.7