Glaucoma, Angle-Closure
Conditions
Brief summary
To evaluate the influence of superior versus temporal laser peripheral iridotomy location on post-operative visual acuity and contrast sensitivity.
Interventions
PROCEDURESuperior laser peripheral iridotomy
Iridotomy placement between 11:00 and 1:00 o'clock
PROCEDURETemporal laser peripheral iridotomy
Iridotomy placement at 3:00 or 9:00 o'clock
Sponsors
University of the Incarnate Word
Study design
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
SUPPORTIVE_CARE
Masking
SINGLE (Subject)
Masking description
Subject is masked to which eye has the iridotomy at which location
Intervention model description
Paired eye
Eligibility
Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No
Inclusion criteria
* Angle-closure glaucoma * Angle-closure glaucoma suspect
Exclusion criteria
* Monocular status * Previous intraocular surgery * Visual acuity worse than 20/40 * Prior episode of acute angle-closure glaucoma * Pregnancy
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Change in visual acuity | 30 days post-operative | Change from baseline best corrected visual acuity evaluated in number of letters correctly read on the ETDRS chart |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Change in Peli-Robson contrast sensitivity | 30 days post-operative | Change from baseline in contrast sensitivity evaluated in number of letters correctly read on the Peli-Robson chart |
| Change in CSV-1000 contrast sensitivity | 30 days post-operative | Change from baseline in contrast sensitivity evaluated using the number of correct responses on the CSV-1000 test |
Countries
United States
Contacts
Primary ContactAna Hagendorf, PhD
Outcome results
None listed