Comparation of anterior segment parameters, axial length and IOL calculation among Anterion, IOL Master 700, IOLMaster 500 and Lenstar 900

Status

Recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2000038942

Enrollment

Unknown

Registered

2020-10-10

Start date

2020-12-15

Completion date

Unknown

Last updated

2021-01-05

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

Conditions

cataract

Interventions

Gold Standard:IOLMaster 700

Index test:Anterion

&#32

IOLMaster&#32

500

Lenstar&#32

900

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. cataract patients: 2. normal group: no eye lesions such as cataract, no history of eye surgery. 3. corneal laser group: >= 1 month after corneal laser operation.

Exclusion criteria

Exclusion criteria: 1. previous history of eye diseases, eye surgery and trauma (corneal laser surgery group needs a history of corneal laser surgery, cataract group needs cataract surgery). 2. can not fix eyes to cooperate with the examination. 3. accompanied by severe or unstable heart, brain and psychiatric neurological disorders. 4. secondary keratoconus changes, corneal opacity and other pathological changes affecting corneal measurement occurred in the corneal laser group.

Design outcomes

Primary

Measure	Time frame
axial length;Corneal curvature;Central corneal thickness;Anterior chamber depth;Refractive power of intraocular lens;consistency;	—

Countries

China

Contacts

Public ContactA-Yong Yu

Ophthalmology Hospital Affiliated to Wenzhou Medical University

yaybetter@hotmail.com+86 13868760001

Outcome results

None listed

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