Effect of low-contrast dot lens with different optical designs on the retina and choroid of myopia

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2400083773

Enrollment

Unknown

Registered

2024-04-30

Start date

2024-05-01

Completion date

Unknown

Last updated

2024-05-06

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

Conditions

myopia

Interventions

LENS 1:blank control

LENS 2:0.4 Bangerter Occlusion Foil(~9 mm clear centre aperture)

LENS 3:0.4 Bangerter Occlusion Foil(~5 mm clear centre aperture)

LENS 4:0.4 Bangerter Occlusion Foil(no clear centre aperture)

LENS 5:0.8 Bangerter Occlusion Foil(~5 mm clear centre aperture)

Eligibility

Sex/Gender

All

Age

18 Years to 35 Years

Inclusion criteria

Inclusion criteria: 1: range of refraction error in distance:+0.75 D~-6.00 D 2: the best corrected visual acuity of each eye:5.0 or better 3: anisometropia of both eyes was less than or equal to 1.00 D, astigmatism is less than or equal to 1.00 D

Exclusion criteria

Exclusion criteria: 1: HIstory of eye surgery 2: HIstory of organic ocular diseases, such as strabismus, amblyopia, retinopathy, glaucoma, et al 3: History of systemic diseases with eye involvement 4: HIstory of myopia correction except single-vision spectacle lenses in 3 months, such as contact lenses, orthokeratology, et al

Design outcomes

Primary

Measure	Time frame
On/Off pathway response;choroidal thickness;	—

Countries

China

Contacts

Public ContactJinhua Bao

Eye Hospital of Wen Medical University

baojessie@mail.eye.ac.cn+86 137 7776 2827

Outcome results

None listed

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