Overview
Sandra Johnen practices in Aachen, Germany. Ms. Johnen is rated as an Advanced expert by MediFind in the treatment of Age-Related Macular Degeneration (ARMD). Her top areas of expertise are Retinopathy Pigmentary Mental Retardation, Late-Onset Retinal Degeneration, Retinitis Pigmentosa, Ganglion Cyst, and Iridectomy.
Her clinical research consists of co-authoring 38 peer reviewed articles. MediFind looks at clinical research from the past 15 years. In particular, she has co-authored 11 articles in the study of Age-Related Macular Degeneration (ARMD).
Locations
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Experts who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Distinguished
- Retinopathy Pigmentary Mental RetardationMs. Johnen isDistinguished. Learn about Retinopathy Pigmentary Mental Retardation.
- Advanced
- Age-Related Macular Degeneration (ARMD)
- Ganglion CystMs. Johnen isAdvanced. Learn about Ganglion Cyst.
- Late-Onset Retinal DegenerationMs. Johnen isAdvanced. Learn about Late-Onset Retinal Degeneration.
- Retinitis PigmentosaMs. Johnen isAdvanced. Learn about Retinitis Pigmentosa.
- Experienced
- Cerebral HypoxiaMs. Johnen isExperienced. Learn about Cerebral Hypoxia.
- Geographic AtrophyMs. Johnen isExperienced. Learn about Geographic Atrophy.
- IridectomyMs. Johnen isExperienced. Learn about Iridectomy.
- Retinal Artery OcclusionMs. Johnen isExperienced. Learn about Retinal Artery Occlusion.