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Related Experiment Video

Updated: Jun 7, 2026

A Mouse Model for Laser-induced Choroidal Neovascularization
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Published on: December 27, 2015

Novel rodent models for macular research.

Gesine Huber1, Severin Heynen, Coni Imsand

  • 1Division of Ocular Neurodegeneration, Centre for Ophthalmology, Institute for Ophthalmic Research, University of Tuebingen, Tuebingen, Germany.

Plos One
|October 27, 2010
PubMed
Summary

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Researchers identified new small rodent models, Gerbillus perpallidus, Meriones unguiculatus, and Phodopus campbelli, for studying macular diseases. These rodents possess a specialized retinal region analogous to the human macula, aiding research into retinal disorders.

Area of Science:

  • Comparative ophthalmology
  • Retinal research
  • Animal models

Background:

  • Human retinal disorders frequently impact the macula, a central retinal region.
  • Standard rodent models (mice, rats) lack a macula, limiting their utility for macular research.

Purpose of the Study:

  • To identify small laboratory rodents with a distinct central retinal specialization.
  • To evaluate potential new models for studying macular diseases.

Main Methods:

  • Confocal scanning laser ophthalmoscopy (cSLO) and spectral-domain optical coherence tomography (SD-OCT) were employed.
  • Angiography and retinal wholemounts were used to assess vascular topography, retinal thickness, and neuronal distribution.
  • Evaluation of Gerbillus perpallidus, Meriones unguiculatus, and Phodopus campbelli.

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The Rodent Model of Nonarteritic Anterior Ischemic Optic Neuropathy (rNAION)
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Main Results:

  • All three rodent species exhibited a significant horizontal visual streak-like specialization.
  • This specialized region showed an absence of large blood vessels, increased photoreceptor layer thickness, and higher neuronal density in the ganglion cell layer.
  • Vascular patterns and retinal structure in the streak region resembled features of the primate macula.

Conclusions:

  • Gerbillus perpallidus, Meriones unguiculatus, and Phodopus campbelli possess retinal specializations analogous to the primate macula.
  • These rodents are suitable models for investigating macular development and diseases.
  • They can be utilized for preclinical assessment of therapeutic strategies for macular conditions.