Cataract
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Patient who wish to have cataract surgery, who agree with the use of Zepto after explanation, who are able to be observed for 3 months after the surgery, and who fills the following adaptive criterions. 1)Over 20 years old 2)Visual function disorder due to cataract 3)Fully understands the explanation of this test
Exclusion criteria
Exclusion criteria: 1)Congenital cataract 2)Medical history of corneal disease (corneal dystrophy, corneal endothelial disorder, etc.) 3)Pregnant or nursing woman
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| A.Clinical Study Clinical use will only be applied to the patient who agreed and controlled study will not be conducted. Zepto will be used for anterior capsulotomy during cataract surgery only for the patients with consent. Clinical test items are visual acuity, intraocular pressure, wavefront aberration, refraction degree, corneal endothelium, flare meter, corneal thickness (anterior segment OCT), tilt of intraocular lens (IOL Master, anterior segment OCT), roundness of anterior capsulotomy incision and complete cover rate (wavefront aberration, slit lamp). Test will be done before and one day, one week, one month, three months, six months, and one year after the surgery. After that, same test will be done every year. B. Basic Study Basic test items are observation of tissues clinically obtained from anterior capsule or corpse eye provided by eye bank in the United States by optical microscope, transmission electron microscope or scanning electron microscope, and strength test using capsule from corpse eye. | — |
Countries
Japan
Contacts
Japanese Red Cross Gifu Hospital Department of Ophthalmology