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Background: Rhegmatogenous retinal detachment (RRD) can be complicated by choroidal detachment (CD). The state of the ciliary body in patients with RRD may indirectly indicate active intraocular inflammation. Purpose: To investigate ciliary body dimensions in RRD complicated by CD after preoperative anti-inflammatory treatment. Materials and Methods: This study included 31 RRD+CD patients (31 eyes) with an intact fellow eye who were under observation. Before the vitrectomy, they received 4-mg intravitreal triamcinolone (IVT), either alone or in combination with 0.5 to 0.8 mL of perfluorpropane. Near-infrared transpalpebral transillumination (NIR TPT) and ultrasound biomicroscopy (UBM) of anterior eye structures were performed before and 1, 2, 3 or 4 days after preoperative intravitreal therapy. Results: Mean baseline width and mean baseline thickness of the pars plicata in eyes with combined RRD and CD were statistically significantly greater than in intact fellow eyes (2.4 ± 0.1 mm versus 1.9 ± 0.1 mm, P = 0.01, and 0.83 ± 0.1 mm versus 0.65 ± 0.1 mm, P = 0.02, respectively). Mean post-treatment pars plana width in the affected eyes having axial length > 25.0 mm was 4.74 ± 0.63 mm, and the percentage of these eyes was 64.5% among eyes with combined RRD and CD. Mean thickness and mean width of the pars plicata in the affected eyes after treatment were 2.2 ± 0.1 mm и 0.66 ± 0.1 mm, respectively. Conclusions: In eyes with combined RRD and CD, pars plicata width and thickness were greater than in intact fellow eyes. Ciliary body detachment tends to occur in longer eyes (therefore, those with a greater pars plana width) with RRD. In eyes with combined RRD and CD, there was evidence of re-attachment of the pars plana as well as reduction in pars plicata thickness and width after preoperative anti-inflammatory treatment.

Background: The literature is scant on the state of the ciliary body, its role in the development of rhegmatogenous retinal detachment (RRD) complicated by choroidal detachment (CD), and on ciliary body changes following the treatment aimed at resolving concomitant inflammation and choroidal attachment. This study assesses the anatomical position and thickness of the ciliary body and investigates the ciliary body changes after anti-inflammatory pre-vitrectomy treatment in RRD complicated by CD., Methods: Forty-nine patients (49 eyes) with RRD complicated by CD underwent standard ophthalmological examination (including visual acuity assessment, biomicroscopy, ophthalmoscopy, and ocular tonometry) and ultrasound biomicroscopy of the ciliary body, choroid, and retina both before and following anti-inflammatory pre-vitrectomy treatment., Results: At baseline, all subject eyes had ciliary body edema and detachment extending into the choroid. Ultrasonographic ciliary features included ciliary body edema and disorganization of the supraciliary layer of the pars plana, which was evident by the presence of multiple small oblique fibers. In all subject eyes, the treatment resulted in reattachment of the choroid and the ciliary body as well as a reduction in ciliary body edema (total mean ciliary thickness reduced from 0.83 (0.09) to 0.65 (0.09) mm, with a difference of 0.18 (0.07) mm, P < 0.001)., Conclusions: Preoperative anti-inflammatory treatment in RRD complicated by CD results in restoration of the anatomical position of the ciliary body and a statistically significant reduction in ciliary body edema.