diabetic retinopathy
Conditions
Interventions
Test group:panretinal laser photocoagulation
Sponsors
The Second Hospital of Dalian Medical University
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Patients diagnosed with type 1 or type 2 diabetes, identified by FFA as severe non-proliferative or proliferative DR And proposed to be treated with PRP; Patients were included in the study with informed consent; PRP eyes were used as study eyes, and PRP eyes in both eyes were used as study eyes.
Exclusion criteria
Exclusion criteria: ?The absolute diopter value of the study eye was greater than 3.00D; ?There are vitreous hemorrhage, retinal detachment, retinal hiatus, macular membrane, macular hiatus, vitreous macular traction and retinitis pigmentosa. The eye condition requires further vitreous surgery. ? Other eye diseases that may affect this study, including keratitis, glaucoma, uveitis, etc. ? Combined with other diseases causing optic nerve edema, such as optic neuritis, ischemic optic disc disease, Leber optic neuropathy, etc.; ?In the past 3 months, he has received anti-VEGF intravitreal injection, cataract surgery and other intraocular surgery. ? In the past 6 months, he has received vitreous cavity injection treatment with Ozurdex; ? In the past 1 month, he has received peribulbar, postbulbar and subconjunctival injection hormone drug treatment; ? Obvious dioptric interstitial opacity that affects posterior segmental examination and laser treatment; ? Central system lesions affecting the optic nerve function; ? Because of various reasons or poor general conditions can not accept fundus angiography or can not cooperate with the PRP treatment and research needed to complete the relevant examination
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| best corrected vision;Visual evoked potential (VEP) and color Doppler ultrasound.;visual field; | — |
Secondary
| Measure | Time frame |
|---|---|
| fluorescein fundus angiography;OCT; | — |
Countries
China
Contacts
Public ContactLiu Fei
The Second Hospital of Dalian Medical University
Outcome results
None listed