Clinical observation for femtosecond laser-assisted cataract surgery compared with traditional cataract surgery combined with Toric intraocular lens in patients with cataract axis longer than 24 mm

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR1900022475

Enrollment

Unknown

Registered

2019-04-13

Start date

2019-05-01

Completion date

Unknown

Last updated

2019-04-15

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

Conditions

cataract

Interventions

Group 2:femtosecond laser

Group 1:traditional cataract surgery combined with Toric intraocular lens (IOL)

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: (1) diagnosed as cataract; (2) below grade IV (according to Emery nuclear hardness grading standard); (3) axial length of 24–30 mm; (4) at least 6 mm in diameter of pupil of the eye and above; (5) regular corneal astigmatism reaches 0.75 D and above.

Exclusion criteria

Exclusion criteria: (1) corneal lesions; (2) nuclear hardness greater than grade 4; (3) glaucoma; (4) symblepharon; (5) small cleft palate; (6) nystagmus; (7) dislocation of the lens; (8) patients who had undergone corneal or internal eye surgery; (9) and those who could not cooperate.

Design outcomes

Primary

Measure	Time frame
uncorrected visual acuity;best corrected visual acuity;intraocular pressure;OPD-SCANIII visual quality analyzer;	—

Countries

China

Contacts

Public ContactYuan Yuan

WU HAN EYEDOOD OPHTHALMIC HOSPITAL

yuan82622617@163.com+86 18694052760

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026