Intraocular straylight in patients with retinitis pigmentosa.
Recruiting
- Conditions
- retinitis pigmentosa10010463
- Registration Number
- NL-OMON32868
- Lead Sponsor
- Oogziekenhuis Rotterdam
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Recruiting
- Sex
- Not specified
- Target Recruitment
- 126
Inclusion Criteria
Informed consent
Best corrected visual acuity <= 1.00 LogMAR
Exclusion Criteria
Inability to comply because of immobility, deafness, mental retardation etc.
Retinal pathology other than RP (e.g. diabetic retinopathy, fundus abnormalities resembling RP)
Coexisting ocular pathology (e.g. amblyopia, glaucoma)
Media opacities other than cataract or degenerative vitreous opacities (e.g. cornea pathology, posterior capsule opacification)
Straylight Estimated Standard Deviation > 0.1
Implanted intraocular lens with blue light filter
Visual field < 5 degrees
Mydriatic pupil diameter < 6.0 mm
Intraocular surgery other than cataract extraction
Intravitreal drug exposure
Study & Design
- Study Type
- Observational non invasive
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method <p>Prevalence of disability glare in patients with RP, expressed as the straylight<br /><br>value (s), and the relative contributions of optical and retinal factors. </p><br>
- Secondary Outcome Measures
Name Time Method <p>Identification of the origin of disability glare in RP patients, i.e. optical<br /><br>and/or retinal factors, and their relative contributions<br /><br>Establishing the clinical value of the straylight parameter to predict the<br /><br>effect of (early)<br /><br>cataract surgery in RP patients</p><br>