To determine the influence of phacoemulsification on choroidal vasculature in patients with diabetic retinopathy (DR) undergoing cataract surgery
To determine the influence of phacoemulsification on choroidal vasculature in patients with diabetic retinopathy (DR) undergoing cataract surgery through the follow-up of choroidal thickness (CT) and choroidal vascularity index (CVI) using swept-source optical coherence tomography (SS-OCT) system.
Study Type
OBSERVATIONAL
Enrollment
46
Ruijin Hospital
Shanghai, Shanghai Municipality, China
CVI at baseline
choroidal vascularity index(CVI) was defined as the proportion of vascular area to total circumscribed area.
Time frame: CVI was assessed at baseline(within 1 week before surgery)
CVI at 1 week postoperatively
choroidal vascularity index (CVI) was defined as the proportion of vascular area to total circumscribed area.
Time frame: CVI was assessed 1 week after surgery.
CVI at 1 month postoperatively
choroidal vascularity index (CVI) was defined as the proportion of vascular area to total circumscribed area.
Time frame: CVI was assessed 1 month after surgery.
CVI at 3 months postoperatively
choroidal vascularity index (CVI)was defined as the proportion of vascular area to total circumscribed area.
Time frame: CVI was assessed 3 months after surgery.
CT at baseline
Choroid thickness (CT) was the thickness of the choroidal layer; CT values were obtained with the built-in software of the SS-OCT device.
Time frame: CT was assessed at baseline and 1 week, 1 month, 3 month after surgery.
CT at 1 week postoperatively
Choroid thickness (CT) was the thickness of the choroidal layer; CT values were obtained with the built-in software of the SS-OCT device.
Time frame: CT was assessed at 1 week after surgery.
CT at 1 month postoperatively
Choroid thickness (CT) was the thickness of the choroidal layer; CT values were obtained with the built-in software of the SS-OCT device.
Time frame: CT was assessed at 1 month after surgery.
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CT at 3 months postoperatively
Choroid thickness (CT) was the thickness of the choroidal layer, CT values were obtained with the built-in software of the SS-OCT device.
Time frame: CT was assessed at 3 months after surgery.
VD at baseline
VD of the choriocapillaris was the vessel density of the choriocapillaris in the choroid.
Time frame: VD of the choriocapillaris was assessed at baseline.
VD at 1 week postoperatively
VD of the choriocapillaris was the vessel density of the choriocapillaris in the choroid.
Time frame: VD of the choriocapillaris was assessed 1 week after surgery.
VD at 1 month postoperatively
VD of the choriocapillaris was the vessel density of the choriocapillaris in the choroid.
Time frame: VD of the choriocapillaris was assessed 1 month after surgery.
VD at 3 months postoperatively
VD of the choriocapillaris was the vessel density of the choriocapillaris in the choroid
Time frame: VD of the choriocapillaris was assessed 3 months after surgery.
IOP at baseline
IOP was the value of intraocular pressure.
Time frame: IOP was assessed at baseline and 1 week, 1 month, 3 month after surgery.
IOP at 1 week postoperatively
IOP was the value of intraocular pressure .
Time frame: IOP was assessed 1 week after surgery.
IOP at 1 month postoperatively
IOP was the value of intraocular pressure.
Time frame: IOP was assessed 1 month after surgery.
IOP at 3 months postoperatively
IOP was the value of intraocular pressure .
Time frame: IOP was assessed 3 months after surgery.
BCVA at baseline
BCVA was the best corrected visual acuity.
Time frame: BCVA was assessed at baseline .
BCVA at 3 months postoperatively
BCVA was the best corrected visual acuity.
Time frame: BCVA was assessed 3 months after surgery.