Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2022 May 14;12(5):1234. doi: 10.3390/diagnostics12051234

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© 2022 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

PMC Copyright notice

(A) HRA + OCT imaging with a Spectralis HRA+ device Binarized optical coherence tomography pictures with varying degrees of DR severity, as well as non-segmented angiograms, are shown in (B). (a) There is no DR. (b) Mild NPDR if any. (c) NPDR of a moderate level. (d) A very bad case of NPDR. (e) It is a PDR and it is important to note that the following CDI and FD values are the same: CDI is 0.358 and FD is 1.56, CDI is 0.351 and FD is 1.57, CDI is 0.342 and FD is 1.59, CDI is 0.340 and FD is 1.60 and CDI is 0.335 and FD is 1.61. Nonproliferative diabetes retinopathy is referred to as NPDR, while proliferative diabetic retinopathy is referred to as PDR.