UnknownNot Applicable

Predicting the Effect of Laser Peripheral Iridotomy

China200 participantsStarted 2020-07-01

Plain-language summary

This study will compare the angle parameters of patients with PACS before and after LPI. The investigators will analyze the results of patients with different angle closure mechanisms before and after LPI, and participants hope to find the structural parameters for predicting the effect of LPI.

Who can participate

Age range20 Years

SexALL

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Inclusion criteria

✓. Patient was diagnosed of primary angle closure angle suspect;
✓. received ultrasound Biomicroscopy before and after laser peripheral iridotomy;
✓. Voluntary participation in this study;
✓. Have enough language comprehension ability;
✓. Patient or his legal representative has sign the informed consent.

Exclusion criteria

✕. severe health problems resulting in a life expectancy of less than 1 year;
✕. previous intraocular surgery or penetrating eye injury;
✕. media opacity preventing laser peripheral iridotomy;
✕. Researchers think not suitable to participate in this clinical trial subjects;
✕. Refused to sign the informed consent.;
✕. There are important viscera function failure or other serious disease, including clinical related coronary artery disease, cardiovascular disease or myocardial infarction into the group of the first six months; serious neurological or psychiatric illness; serious infections; coagulant function abnormality; general active infectious diseases; malignant tumor; serious immune diseases.

What they're measuring

the changes in anterior opening distance before and after LPI

Timeframe: between the baseline and 1 hour before discharge

Trial details

NCT IDNCT04495491

SponsorZhongshan Ophthalmic Center, Sun Yat-sen University

Sponsor typeOTHER

Study typeOBSERVATIONAL

Primary completion2020-12-31

Contact for this trial

Yuying Zhou, Master

8615270988097 2053552500@qq.com

View on ClinicalTrials.gov More Glaucoma trials