Refractive operation Surgery
Conditions
Interventions
In this study the main interventions were three different PI methods.
YAG PI: The two iridectomy holes were drilled at the 10:30 o?clock and 1:30 o?clock positions, separated by approximately 90 deg
Sponsors
Chengdu Military General Hospital (China)
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. The preoperative diopter was between -9.50 D and -22.0 D (spherical equivalent) 2. The anterior chamber depth was greater than 2.8 mm 3. The anterior chamber angle was open. The endothelial cell count was greater than 2,500 cells/mm2. The peripheral retina was normal. 4. Men and women, age range from 19 to 41
Exclusion criteria
Exclusion criteria: The presence of other eye disorders and systemic disorders
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 1. The incidence of the complications of the three PI groups. Iris bleeding, iris prolapses and pigment dispersion, measured using slit-lamp examination. 2. The visual disturbance, measured using questionnaire 3. Increased IOP, measured using non contact tonometers | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. The operation duration of ICL implantation 2. The postoperative recovery of visual acuity, measured using logarithm of the minimum angle of resolution [LogMAR] Measured during the day 1 and 1 and 2 weeks after pre-operative YAG PI and surgical PI. And after the ICL implantation the follow-up examinations were performed during the d 1ay, 1 week, and 1 and 3 months. | — |
Countries
China
Outcome results
None listed