Cataract
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) Patients who are 22 years old or older and who are undergoing cataract extraction with phacoemulsification and aspiration 2) Patients who are having XY1-EM implanted 3) Patients whose calculated spherical lens power is +6.0 D or higher and +30.0 D or lower 4) Patients whose postoperative corrected visual acuity can be expected to be 0.7 or better 5) Patients whose preoperative corneal astigmatism is below 1.0 D 6) Patients who can be followed-up with after surgery
Exclusion criteria
Exclusion criteria: 1) Patients who are having another ophthalmologic surgery within one month after the intraocular lens implantation 2) Patients who have a history of refractive surgery 3) Patients who have a history of any eye disease or ocular comorbidities that significantly affect their visual function 4) Patients who the principal investigator, etc., deems not appropriate as a study subject due to an accompanying general disease or eye disease
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| IOL constant per intraocular lens formula by biometers | — |
Secondary
| Measure | Time frame |
|---|---|
| 1)Transition of uncorrected distance visual acuity 2)Post-op month 1 uncorrected intermediate visual acuity 3)Post-op month 1 uncorrected near visual acuity 4)Transition of postoperative refractive errors 5)Defects and adverse events | — |
Contacts
HOYA CORPORATION Medical Division