cataract
Conditions
Interventions
None listed
Sponsors
Bissen Hiroko
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1) Patients who undergo bilateral cataract surgeries with PureSee intraocular lens implantation in both eyes. 2) Age between 20 and 85 years. 3) Axial length over 22.0 mm and under 27.0 mm 4) Preoperative corneal astigmatism of 2.5 D or less. 5) Postoperative corrected distance visual acuity of 0.8 or better
Exclusion criteria
Exclusion criteria: 1) Other ocular diseases influencing visual function, such as uveitis, external/internal infection, diabetes retinopathy, glaucoma, exfoliation syndrome, pathological miosis, keratoconus, corneal dystrophy, and zonule weakness. 2) History of ophthalmic surgery. 3) Corneal irregular astigmatism 4) Failure of intraocular lens fixation in the capsule owing to Intraoperative zonular dehiscence, posterior capsule rapture, vitreous prolapse, hyphema. 5) Other systemic or ophthalmic diseases considered unsuitable by an investigator.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| At 3 months postoperatively, 1. Binocular visual acuity at 40 cm in monovision cases; 2. Binocular uncorrected distance visual acuity in monovision cases. | — |
Secondary
| Measure | Time frame |
|---|---|
| Three months postoperative comparisons of 1) Binocular uncorrected depth of defocus 2) Binocular uncorrected contrast sensitivity 3) Stereopsis 4) QOV questionnaire 5) Use of spectacles and night photopsia | — |
Contacts
Public ContactHiroko Bissen
Tokyo Dental Collage Suidobashi Hospital
Outcome results
None listed