oogaandoeningen, klachten van het zicht glaucoma high eye pressure
Conditions
Interventions
None listed
Sponsors
Leids Universitair Medisch Centrum
Eligibility
Age
18 Years to 99 Years
Inclusion criteria
Inclusion criteria: The inclusion critria are: 1. One of the specified ocular conditions (see K2 - study population) 2. Age > 18 years 3. Gender: both male and female 4. Written informed consent
Exclusion criteria
Exclusion criteria: The exclusion critria are: 1. Contraindications to (Ophthalmic) MRI scanning, including: a. Claustrophobia b. Pregnancy c. Pacemakers and defibrillators d. Nerve stimulators e. Intracranial clips f. Metallic fragments g. Cochlear implants h. Ferromagnetic implants i. Hydrocephalus pump j. Permanent make-up k. Tattoos above the shoulders l. Piercings (unless they can be taken out) m. Subjects who cannot keep their head still (e.g. Tremor, Parkinson*s disease) n. Severe physical restriction (e.g. completely wheelchair dependent);In the case of uncertainty about the MRI-contraindications, the MR-safety commission of the radiology department will decide whether this subject can be included in the study or not.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| For group 1: A) The dimensions of the Bleb of the Baerveldt implant after implantation. For group 2: A) The presence of an abnormal signal intensity on the optic nerve. For group 3: A) Location of the eye relative to the extra ocular muscles. B) Change in therapy after additional MRI-imaging. | — |
Secondary
| Measure | Time frame |
|---|---|
| For group 1: A) Location of the Bleb with respect to the extra ocular muscles. B) Dimensions of the Bleb as measured at the 3Tesla MRI exam For group 2: A) Thickness of the optic nerve For group 3: N/a | — |
Countries
Netherlands
Outcome results
None listed