A Longitudinal Study of Choroidal Changes After Cataract Surgery in Eyes With Diabetic Retinopathy

Shanghai Jiao Tong University

Status: Unknown

Conditions: Optical Coherence Tomography; Choroid; Diabetic Retinopathy

Study type: Observational

Funder types: Other

Identifiers

NCT04499768

2018ZY14

Details and patient eligibility

About

To determine the influence of phacoemulsification on choroidal vasculature in patients with diabetic retinopathy (DR) undergoing cataract surgery

Full description

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.

Enrollment: 46 patients

Sex: All

Ages: 40 to 80 years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• aged⩾40years; intraocular pressure (IOP) < 21 mm Hg in both eyes, spherical refractive error<6 diopters spherical equivalent.

Exclusion criteria

• previous retinal surgery, glaucoma, uveitis, age-related macular degeneration, arterial or vein occlusions, macular hole, or other ocular diseases that could interfere the CT and/or CVI measurement, severe systemic diseases, such as uncontrolled hypertension, obstructive sleep apnea, etc.

Trial design

46 participants in 2 patient groups

control

Description:

the age-related cataract patients

DR group

Description:

the cataract patients with mild/moderate NPDR