Visual and Refractive Outcomes of Femtosecond Lenticule Extraction and Small Incision Lenticule Extraction For Myopia. A Prospective, Randomized, Intraindividual, Comparative Study.

Visual and Refractive Outcomes of Femtosecond Lenticule Extraction and Small Incision Lenticule Extraction For Myopia. A Prospective, Randomized, Intraindividual, Comparative Study. - Clinical outcomes after FLEx and SMILE

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000009489

Enrollment

Registered

2012-12-10

Start date

2012-03-01

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

Myopia

Interventions

Femtosecond Lenticule Extraction Small Incision Lenticule Extraction

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: The inclusion criteria for these surgical techniques in our institution were as follows: unsatisfactory correction with spectacles or contact lenses, manifest spherical equivalent -9.00 diopters (D) or less, manifest cylinder 4 D or less, sufficient corneal thickness (estimated total postoperative corneal thickness > 400 micro-m and estimated residual thickness of the stromal bed > 250 micro-m), absence of a history of ocular surgery, severe dry eye, progressive corneal degeneration, cataract, or uveitis.

Exclusion criteria

Exclusion criteria: Eyes with keratoconus were excluded from the study.

Design outcomes

Primary

Measure	Time frame
visual acuity, refraction	—

Countries

Japan

Outcome results

None listed

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