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Clinical Trial Summary

All participants will underwent imaging using the OCTA system (Zeiss) with the anterior segment optical adaptor lens. The main outcomes are iris blood flow density and vascular density.


Clinical Trial Description

1. Feasibility study of iris OCTA technology

2. Establishment of iris OCTA database in normal population and analysis of related factors: (1) different sex; (2) different age; (3) different myopic diopter; (4) 24-hour diurnal changes from morning to night; (5) before and after mydriasis; (6) different blood pressure; (7) different intraocular pressure; (8) different blood glucose; (9) before and after exercise. (10) drinking water, tea, coffee and red wine.

3. Analysis of iris OCTA data related to eye diseases:(1) conjunctivitis; (2) glaucoma; (3) childhood myopia; (4) uveitis; (5) diabetic retinopathy; (6) retinal detachment; (7) fundus neovascularization.

4. Influence of commonly used ophthalmic drops on iris OCTA data. Observe the difference of iris OCTA test data before and after treatment: (1) conjunctivitis treated with levofloxacin antibiotics; (2) glaucoma treated with prostaglandins, adrenalines and receptor blockers; (3) childhood myopia treated with atropine drugs (4) uveitis treated with hormonal drugs. (5) diabetic retinopathy treated with vasodilator.

5. Effect on iris OCTA data before and after ophthalmic surgery. (1) cataract, phacoemulsification + intraocular lens implantation; (2) glaucoma, iridectomy; (3) fundus neovascularization, intraocular injection of anti-VEGF; (4) diabetic retinopathy, vitreous surgery. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03631108
Study type Observational
Source Shanghai Eye Disease Prevention and Treatment Center
Contact
Status Not yet recruiting
Phase
Start date October 2018
Completion date June 2019

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