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

Table 1

Clinical information of 82 patients included in this study.

Patient variables	N	%
Age (mean 32 years)
≤32	40	49
>32	42	51
Gender
Male	66	80
Female	16	20
Causal diseases [7]
Rhegmatogenous retinal detachment	38	46
Ocular trauma	34	42
Branch retinal vein occlusion	3	4
Suppurative endophthalmitis	3	4
Proliferative diabetic vitreoretinopathy	2	2
Acute retinal necrosis syndrome	2	2
Standard classifications of eye trauma
Open-global injury	29	35
Closed-global injury	5	6
Number of prior vitrectomies
1	57	70
2	21	26
3	4	4
Other medical records
Encircling	54	66
Silicone oil tamponade	33	40
Lens status at this time
Phakia	31	38
Aphakia	37	45
Pseudophakia	14	17
PVR* [8, 9]
A	3	4
B	19	23
C1–C3	43	52
D1–D3	17	21
APVR^§
Circumferential contraction	3	4
Anterior displacement	35	43
Circumferential contraction and anterior displacement	18	22
First PPV—this PPV interval (month)
≤3	38	46
>3	44	54

*PVR: proliferative vitreoretinopathy; ^§APVR: anterior PVR.