Cataract
Conditions
Interventions
One hundred left eyes of 100 patients with with-the-rule astigmatism of 0.5 D or less were randomly assigned to one of the two groups.
50 eyes were to undergo nasal CCI and 50 eyes were to undergo tem
Sponsors
Hayashi Eye Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: One hundred left eyes of 100 patients with with-the-rule astigmatism of 0.5 D or less.
Exclusion criteria
Exclusion criteria: Exclusion criteria were 1) eyes with any pathology of cornea, optic nerve, and macula; 2) eyes with lens nucleus harder than grade 4 according to the Lens Opacities Classification System III; 3) eyes with a poor mydriasis less than 4.5 mm; 4) eyes with possible zonular weakness, 5) eyes with pseudoexfoliation; 6) eyes with prior history of ocular surgery and inflammation, 7) patients with diabetes; 8) patients who were referred from other hospitals, and 9) patients who had been enrolled in other studies
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Patients are to undergo examinations at 2 days and at 2, 4, and 8 weeks after surgery. 1) Corneal astigmatism of anterior and posterior corneas (simulated K value of a videokeratography system; Tomey TMS-5) 2) Corneal shape changes of anterior and posterior cornea (average of difference map of TMS-5) | — |
Secondary
| Measure | Time frame |
|---|---|
| 3) Irregular astigmatism components (asymmetry and higher-order irregularity components) 4) Ocular higher order aberrations (HOAs) 5) Visual acuity and refractive status 6) Wound length and width 7) Pupil diameter 8) Surgical factors | — |
Countries
Japan
Contacts
Public ContactKen Hayashi
Hayashi Eye Hospital Department of ophthalmology
Outcome results
None listed