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Effects of cataract on perceptual dominance

The characteristics and related mechanism of perceptual ocular dominance plasticity in cataract patients

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2100051027
Enrollment
Unknown
Registered
2021-09-10
Start date
2020-09-01
Completion date
Unknown
Last updated
2022-05-16

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

cataract

Interventions

Young people, middle-aged and elderly people and cataract patients:Nil

Sponsors

Eye Hospital and School of Ophthalmology and Optometry, Wenzhou Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
20 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1.Adults (age: 20-35 years old) with normal or corrected to normal monocular visual acuity(logMAR < 0.00). 2.Adults (age: 40-80 years old) with normal or corrected to normal monocular visual acuity(logMAR < 0.00). 3.Cataract patients(age: 40-80 years old) with best corrected monocular visual acuity above logMAR =0.70.

Exclusion criteria

Exclusion criteria: 1. Anisometropia; (except cataract patients). 2. History of eye surgery. 3. Diseases causing ocular visual dysfunction, including visual field defects and reduced contrast sensitivity caused by non-cataract; 4. Obvious cognitive impairment, unable to cooperate with the examination.

Design outcomes

Primary

MeasureTime frame
the balance point measure of ocular dominance;—

Secondary

MeasureTime frame
stereo acuity;—

Countries

China

Contacts

Public ContactA-Yong Yu

Eye Hospital and School of Ophthalmology and Optometry, Wenzhou Medical University

yaybetter@hotmail.com+86 13868760001

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026