Influence of Flavanol-rich chocolate on visual acuity, contrast sensitivity and retinal perfusion

Influence of Flavanol-rich chocolate on visual acuity, contrast sensitivity and retinal perfusion - FLAVIKA

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

DRKS

Registry ID

DRKS00015065

Enrollment

Registered

2018-07-11

Start date

2018-07-16

Completion date

Unknown

Last updated

2025-04-07

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

Conditions

Healthy patients

Interventions

Group 1: Ingestion of dark Flavanol-rich chocolate (2x 200 mg Flavanol) Group 2: Ingestion of milk chocolate poor in Flavanols

Eligibility

Sex/Gender

All

Age

18 Years to 65 Years

Inclusion criteria

Inclusion criteria: Healthy patients without any ocular pathology, Informed consent to participate in the study

Exclusion criteria

Exclusion criteria: Ocular pathology, Intake of coffeine containing drinks or milk products 24 hours before testing

Design outcomes

Primary

Measure	Time frame
Retinal perfusion on OCT-angiography	—

Secondary

Measure	Time frame
Visual acuity in ETDRS letters, Pelli-Robson and Mars contrast sensitivity	—

Countries

Germany

Contacts

Public ContactJakob Siedlecki

Augenklinik der Universität München LMU

jakob.siedlecki@med.uni-muenchen.de+4989440053811

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 20, 2026