Visual Field Defects
Conditions
Brief summary
Comparison of the differential luminance sensitivity (DLS) values at each test point
Interventions
PROCEDUREperimetry
automated static perimetry with adapted GATE strategy
Sponsors
Haag-Streit AG
University Hospital Tuebingen
Study design
Observational model
COHORT
Time perspective
PROSPECTIVE
Eligibility
Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No
Inclusion criteria
* physical, intellectual and linguistic abilities, in order to understand the test requirements * spherical ametropia max. ± 8 dpt, cylindrical ametropia max. ± 3 dpt * distant visual acuity \> 10/20 * isocoria, pupil diameter \> 3 mm
Exclusion criteria
* pregnancy, nursing * diabetic retinopathy * asthma * HIV+ or AIDS * history of epilepsy or significant psychiatric disease * medications known to effect visual field sensitivity * acute ocular infections (e.g. keratitis, conjunctivitis, uveitis) * severe dry eyes * miotic drugs * amblyopia * squint * nystagmus * albinism * keratoconus * intraocular surgery (except for uncomplicated cataract surgery) performed \< 3 month prior to screening * history or presence of macular disease and / or macular edema * relevant opacities of central refractive media (cornea, lens, vitreous body) * ocular trauma
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Validation of visual field data and comparison of the differential luminance sensitivity (DLS) values at each test point by applying two perimetric software versions. | up to 14 days | each participant were examined 2 times at two seperate sessions within 14 days. |
Countries
Germany
Outcome results
None listed