Study on the Recovery of Visual Perceptual Function Dysfunction in Patients With Diabetes

The First Affiliated Hospital of Anhui Medical University

Status

Completed

Conditions

Diabetic Retinopathy (DR)

Visual Perception

Treatments

Procedure: visual perceptual learning

Study type

Interventional

Funder types

Other

Identifiers

NCT07095777

PJ2022-09-48

Details and patient eligibility

About

Investigators aim to investigate the effectiveness of visual perceptual learning on visual perceptual function in participants with diabetic retinopathy and to provide novel therapeutic insights for visual functional rehabilitation in diabetic retinopathy.

Enrollment

36 patients

Sex

All

Ages

18 to 65 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

moderate to severe non-proliferative diabetic retinopathy (NPDR) and proliferative diabetic retinopathy(PDR) prior to treatment(17)
prior pan retinal laser photocoagulation (PRP) at least 4 weeks before enrollment or vitreoretinal surgery at least 8 weeks before enrollment
stable clinical condition
best-corrected visual acuity (BCVA) > 1.0 logMAR (equivalent to a Snellen visual acuity of < 20/200)
clear refractive media
age ≤ 65 years
ability to comprehend the examination and training procedures

Exclusion criteria

significant refractive media opacity
psychiatric disorders, chronic alcoholism and traumatic brain injury
new-onset vitreous hemorrhage, myopia, strabismus, amblyopia, glaucoma and macular diseases.