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Throughout its ~4.5 billion year history, the Earth has experienced periods of warming and cooling. However, the current drastic increase in global temperatures is well outside of the Earth’s cyclic norms, and evidence for human-caused global climate change is compelling. Paleoclimatology, the study of ancient climate conditions, provides ample evidence for human-caused global climate change by comparing recent conditions with those in the past.
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Related Experiment Video

Updated: Feb 10, 2026

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[How OCT angiography will change our daily practice].

X Xu1, S Q Yu

  • 1Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiaotong University, Shanghai Eye Disease Prevention and Treatment Center, Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai 200080, China.

[Zhonghua Yan Ke Za Zhi] Chinese Journal of Ophthalmology
|May 11, 2018
PubMed
Summary

Optical Coherence Tomography Angiography (OCTA) offers non-invasive, high-resolution 3D imaging of retinal and choroidal vascular flow. This technology is poised to transform ophthalmic practice by enhancing disease understanding, diagnosis, and patient management.

Keywords:
AngiographyOptical Coherence TomographyRetinal Disease

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Area of Science:

  • Ophthalmology
  • Medical Imaging
  • Retinal Vascular Imaging

Background:

  • Fundus imaging technologies are rapidly advancing.
  • Optical Coherence Tomography Angiography (OCTA) is a significant development.
  • OCTA provides non-invasive, high-resolution 3D vascular imaging of the retina and choroid.

Purpose of the Study:

  • To illustrate the transformative impact of OCTA on daily ophthalmic practice.
  • To explore how OCTA changes disease understanding.
  • To examine OCTA's role in differential diagnosis and optimizing clinical workflows.

Main Methods:

  • Review of OCTA technology and its clinical applications.
  • Discussion of OCTA's capabilities compared to traditional angiography.
  • Analysis of four key areas of impact on clinical practice.

Main Results:

  • OCTA enables non-dye-injection and non-invasive imaging.
  • High-resolution 3D visualization of retinal and choroidal vasculature is achieved rapidly.
  • OCTA is increasingly recognized for its clinical value by specialists.

Conclusions:

  • OCTA is set to revolutionize ophthalmic practice.
  • It will change disease understanding and differential diagnosis.
  • OCTA will optimize clinical service, treatment, and follow-up processes.