UnknownNot Applicable

Study of Subluxation Lens Biometrics and Postoperative Intraocular Lens Stability

China60 participantsStarted 2020-11-01

Plain-language summary

To compare the accuracy of four lens diameter measurement methods and to study the influencing factors of intraocular lens deviation after operation

Who can participate

Age range20 Years – 88 Years

SexALL

See this in plain English?

AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.

Inclusion Criteria: (1) Subluxation of the lens is less than 180 degrees; (2) Part of the edge of the lens can be seen in the pupil area after the pupil is dilated Exclusion Criteria: (1) Total dislocation of the lens to the vitreous cavity (2) Patients with small eyeballs and small eyelid fissures (3) Patients younger than 18 years old (4) Congenital cataracts in both eyes (5) Corneal dystrophy or endothelial cell insufficiency (6) Chronic uvea Inflammation (7) Progressive fundus disease (8) Fragile capsular bag (9) Retinitis pigmentosa or pseudocapsular exfoliation syndrome

What they're measuring

Lens diameter

Timeframe: through study completion, an average of 1 year

The eccentric distance of the intraocular lens

Timeframe: 1 week postoperation

The eccentric distance of the intraocular lens

Timeframe: 1 month postoperation

The eccentric distance of the intraocular lens

Timeframe: 3 month postoperation

The tilt angle of the intraocular lens

Timeframe: 1 week postoperation

The tilt angle of the intraocular lens

Timeframe: 1 month postoperation

The tilt angle of the intraocular lens

Timeframe: 3 month postoperation

Trial details

NCT IDNCT04685122

SponsorSecond Affiliated Hospital, School of Medicine, Zhejiang University

Sponsor typeOTHER

Study typeOBSERVATIONAL

Primary completion2021-07-01

View on ClinicalTrials.gov More Subluxation of Lens trials