A randomized controlled study about the influence of cataract surgery with spherical intra ocular lens (IOL) and aspherical IOL on pseudoaccommodation and visual function among elderly people

A randomized controlled study about the influence of cataract surgery with spherical intra ocular lens (IOL) and aspherical IOL on pseudoaccommodation and visual function among elderly people - A randomized controlled study about the influence of spherical intra ocular lens (IOL) and aspherical IOL with cataract surgery on pseudoaccmmodation and visual function among elderly people

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000014686

Enrollment

500

Registered

2014-07-28

Start date

2014-07-28

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

Spherical IOL group Phacoemulsification and spherical IOL implantation(SN60AT(Alcon)). Aspherical IOL group Phacoemulsification and aspherical IOL implantation (SN60WF(Alcon)).

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1)patients scheduled for the first cataract surgery 2)age <=60 years 3)cataract with <=grade 2 nuclear opacification according to LOCS III

Exclusion criteria

Exclusion criteria: 1)severe mental illness and dementia 2)severe corneal opacity 3)glaucoma with visual field deficit of at least MD>14dB (Humphrey Perimeter) 4)vitreous haemorrhage 5)proliferative diabetic retinopathy 6)macular edema 7)age-related macular degeneration 8)patients needing emergent cataract surgery 9)patients needing combined cataract and glaucoma surgery or combined cataract surgery and vitrectomy

Design outcomes

Primary

Measure	Time frame
Pseudoaccommodation Japanese version of the National Eye Institute Visual Function Questionnaire (NEI VFQ-25).	—

Secondary

Measure	Time frame
Aberration(Spherical, Coma) Contrast sensitivity Ophthalmological examinations(visual acuity,intraocular pressure, axial length,cornea endothelial cell,pupil diameter) Retinal and Choroidal thickness Retinal disease Visual field Subjective sleep(PSQI: Pittsburgh Sleep Quality Index) Depressive symptoms(GDS: Geriatic Depression Scale) Physical activity(Actigraph)	—

Countries

Japan

Contacts

Public ContactTomo Nishi

Nara Medical University School of Medicine Department of Ophthalmology

tomon@naramed-u.ac.jp0744-29-8884

Outcome results

None listed

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