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Table 3 Comparison of vessel density and retinal thickness between both eyes in patients receiving the silicone oil tamponade

From: Changes of macular vessel density and thickness in gas and silicone oil tamponades after vitrectomy for macula-on rhegmatogenous retinal detachment

 

Affected eye

Healthy eye

P (Paired-t)

Axial length, mm

24.1 ± 1.1

24.0 ± 1.1

0.199

logMAR BCVA at presentation,

Snellen equivalent

0.30 ± 0.22

20/40

0.06 ± 0.15

20/23

0.001

IOP at presentation, mmHg

12.6 ± 2.5

15.5 ± 2.0

0.001

logMAR BCVA at follow up,

Snellen equivalent

0.49 ± 0.28

20/62

0.02 ± 0.06

20/21

< 0.001

IOP at follow up

18.6 ± 4.7

16.4 ± 3.4

0.006

Ocular perfusion pressure at follow up, mmHg

41.0 ± 7.8

43.2 ± 6.8

0.006

FAZ, mm2

0.267 ± 0.110

0.339 ± 0.088

0.061

Parafoveal VD of SVC (%)

39.26 ± 3.54

45.46 ± 4.08

< 0.001

Parafoveal VD of DVC (%)

51.16 ± 5.08

51.57 ± 4.13

0.807

Full retinal thickness, μm

295.25 ± 27.68

311.00 ± 29.69

0.120

Inner retinal thickness, μm

107.94 ± 15.21

128.38 ± 11.06

< 0.001

Outer retinal thickness, μm

187.13 ± 15.25

191.13 ± 6.68

0.401

  1. logMAR Logarithm of the minimum angle of resolution, BCVA Best corrected visual acuity, IOP Intraocular pressure, FAZ Foveal avascular zone, VD Vessel density, SVC Superior vascular complex, DVC Deep vascular complex