Levels of Macular Pigment Optical Density Responses to Supplementation with Different Levels of Lycium Barbarum and Lutein in Patients with High Myopia of Different Categories

Status

Recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2100046748

Enrollment

Unknown

Registered

2021-05-28

Start date

2021-05-23

Completion date

Unknown

Last updated

2022-01-10

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

Conditions

High myopia

Interventions

Low-dose group:10mg zeaxanthin/day

High-dose group:20mg zeaxanthin/day

Placebo group:Placebo

Eligibility

Sex/Gender

All

Age

18 Years to 75 Years

Inclusion criteria

Inclusion criteria: 1. Aged 18-75 years; 2. The degree of myopia is less than -6.0D, with or without pathological myopia fundus lesions; 3. Able to sign informed consent.

Exclusion criteria

Exclusion criteria: 1. History of eye diseases, eye trauma and surgery other than high myopia; 2. Patients with a history of systemic diseases (such as diabetes, cardiovascular and cerebrovascular diseases, collagen diseases, connective tissue diseases, autoimmune diseases, etc.); 3. Women who are pregnant or breastfeeding.

Design outcomes

Primary

Measure	Time frame
Macular Pigment Optical Density;	—

Countries

China

Contacts

Public ContactHan Song

Beijing Tongren Hospital

limbus@126.com+86 17810761510

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 19, 2026