The effect of astigmatism on visual acuity.

The effect of astigmatism on visual acuity. - The effect of astigmatism on visual acuity.

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000040529

Enrollment

500

Registered

2020-05-27

Start date

2020-05-01

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

normal eyes

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: corrected distance visual acuity 0.0 logMAR or better spherical equivalent +3.00~-6.00D normal astigmatism

Exclusion criteria

Exclusion criteria: corrected distance visual acuity less than 0.0 logMAR irregular astigmatism(corneal diseases) 3.25D or more astigmatism power

Design outcomes

Primary

Measure	Time frame
The distribution between cylindrical power and SEVA. Comparison SEVA betweenWTR, ATR and OA.	—

Countries

Japan

Contacts

Public ContactRie Hoshikawa

Kitasato University School of Allied Health Sciences

pink417dj@yahoo.co.jp042-778-9671

Outcome results