Negative dysphotopsia
Conditions
Interventions
Intraocular lens
Negative Dysphotopsia
Raytracing
Refraction surgery
Sponsors
Leids Universitair Medisch Centrum
Eligibility
Age
18 Years to 64 Years
Inclusion criteria
Inclusion criteria: 1. Age *18 years 2. Gender: both male and female 3. Uncomplicated cataract surgery 4. For the groups with ND: complaints of negative dysphotopsia following cataract surgery 5. For the group without ND: no complaints of negative dysphotopsia following cataract surgery
Exclusion criteria
Exclusion criteria: 1. Age
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The measured and ray-traced peripheral aberrations and their relation to the symptoms described in the questionnaires. | — |
Secondary
| Measure | Time frame |
|---|---|
| - A description of the effect of different IOL designs on negative dysphotopsia. - Description of the progression/regression of negative dysphotopsia in the first year after cataract surgery. - The assessment of the potential clinical value of static perimetry to quantify the visual field loss in ND. - The assessment of the performance of the eye models for unusual eyes. | — |
Countries
The Netherlands
Outcome results
None listed