Temporal versus superior clear corneal incision for eyes with oblique astigmatism

Temporal versus superior clear corneal incision for eyes with oblique astigmatism - Temporal versus superior incision for eyes with oblique astigmatism

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000054492

Enrollment

240

Registered

2024-05-27

Start date

2021-03-31

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

Cataract

Interventions

This study was conducted at the Hayashi Eye Hospital, Fukuoka, Japan, between April 4, 2021, and September 24, 2023, separately in 120 eyes with near ATR oblique astigmatism (near ATR category) and in

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Major inclusion criteria were eyes with oblique corneal astigmatism more than 0.5 D that were scheduled for undergoing phacoemulsification with hydrophobic acrylic IOL implantation.

Exclusion criteria

Exclusion criteria: Exclusion criteria were: 1) pathology of the cornea, macula, or optic nerve, 2) severe opaque media other than cataract, 3) moderate to severe dry eye, 4) blepharitis or Meibomian gland dysfunction, 5) diabetes mellitus, 6) history of ocular surgery or inflammation, 7) difficulty to undergo examination, and 8) patient refusal.

Design outcomes

Primary

Measure	Time frame
The amount of the total corneal astigmatism determined by the simulated K value of the corneal topography before surgery and at 2 days, and at 2, 4, 8 weeks after surgery.	—

Countries

Japan

Contacts

Public ContactKen Hayashi

Hayashi Eye Hospital Department of Ophthalmology

hayashi-ken@hayashi.or.jp092-431-1680

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026