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Related Concept Videos

Photoreceptors and Visual Pathways01:22

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At the molecular level, visual signals trigger transformations in photopigment molecules, resulting in changes in the photoreceptor cell's membrane potential. The photon's energy level is denoted by its wavelength, with each specific wavelength of visible light associated with a distinct color. The spectral range of visible light, classified as electromagnetic radiation, spans from 380 to 720 nm. Electromagnetic radiation wavelengths exceeding 720 nm fall under the infrared category, whereas...
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Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients
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Evidence for a considerable decrease in total and cause-specific incidences of blindness in Germany.

Heiner Claessen1, Jutta Genz, Bernd Bertram

  • 1Institute of Biometrics and Epidemiology, German Diabetes Centre at the Heinrich-Heine-University, Leibniz Centre for Diabetes Research, Auf'm Hennekamp 65, 40225, Düsseldorf, Germany. heiner.claessen@ddz.uni-duesseldorf.de

European Journal of Epidemiology
|June 20, 2012
PubMed
Summary
This summary is machine-generated.

Blindness incidence in Germany has significantly decreased, with macular degeneration, diabetic retinopathy, and glaucoma remaining leading causes. Advances in diagnostics and treatments likely contribute to this positive trend.

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Area of Science:

  • Ophthalmology
  • Public Health
  • Epidemiology

Background:

  • Previous studies indicated higher blindness rates in Germany.
  • Understanding current blindness trends is crucial for public health planning.

Purpose of the Study:

  • To estimate recent population-based incidences of all-cause and cause-specific blindness in Germany.
  • To compare current blindness rates with data from 1994-1998.

Main Methods:

  • Analysis of newly registered blindness allowance recipients in southern Germany (2008-2009).
  • Review of ophthalmological reports to identify causes of blindness.
  • Calculation of incidence rates per 100,000 person-years.

Main Results:

  • All-cause blindness incidence was 8.4 per 100,000 person-years.
  • Leading causes included macular degeneration (3.4), diabetic retinopathy (0.8), and glaucoma (0.7).
  • Incidences decreased significantly compared to 1994-1998, with notable reductions in macular degeneration and cataract.

Conclusions:

  • A remarkable decrease in blindness incidence has been observed in Germany.
  • Improved diagnostic and treatment options are likely drivers of this decline.
  • Macular degeneration, diabetic retinopathy, and glaucoma remain the primary causes of blindness.