Research activity per year

Personal profile


Clinical research; diabetic retinopathy; retinal disease; retinal physiology; retinal blood flow; retinal oximetry; retinal vessel diameters; dark adaptometry; electroretinography; optical coherence tomography; retinal imaging; ocular surface disease; conjunctival neoplasms; 

Main research areas

Clinical research; biomarkers for retinal disease; diabetic retinopathy; type 1 diabetes; type 2 diabetes; insulin pump therapy; gastric bypass surgery; retinal physiological adaptation to changes in the glucose supply; retinal function, structure and metabolism in healthy individuals and patients with systemic or ocular conditions, including diabetes, ocular ischemic syndrome, hematological disease, Eisenmenger syndrome, optic disc drusen; Ocular surface disease;

Current research

Diabetic retinopathy, retinal function, structure and metabolism in relation to insulin pump therapy and gastric bypass surgery;
Retinal characteristics in the ocular ischemic syndrome and Eisenmenger syndrome;
Retinal vascular characteristics in patients with optic disc drusen;
?Management options for conjunctival neoplasms;


Potential conflicts of interest



Dive into the research topics where Oliver Niels Klefter is active. These topic labels come from the works of this person. Together they form a unique fingerprint.
  • 1 Similar Profiles

Collaborations and top research areas from the last five years

Recent external collaboration on country/territory level. Dive into details by clicking on the dots or