How far can hamsters see?

  Here is a detailed analysis of hamsters' visual range, synthesized from multiple research data:

  I. Basic Visual Range

  Effective Viewing Distance

  Static Objects: Can only identify objects up to 0.3–0.5 meters away, similar to human vision with 2000–3000 degrees of myopia.

  Moving Objects: Can sense the trajectory of moving targets beyond 0.5 meters, but details remain blurry.

  Close-Range Vision

  The optimal focusing distance is within 0.1 meters; imaging becomes rapidly blurry beyond this range.

  II. Visual Field Characteristics

  Breadth

  Monocular vision spans 180 degrees, and the binocular overlap provides nearly 270-degree panoramic vision.

  Blind Zone

  A 30-degree area directly below is completely invisible, increasing the risk of falls from heights.

  III. Environmental Adaptability

  Light Influence

  Vision is optimal in low-light environments (20–300 lux), while strong light (>800 lux) accelerates retinal damage.

  In complete darkness, they rely on whiskers for navigation.

  Color Vision Limitations

  Can only perceive gray-blue tones, with extremely low recognition for red and yellow.

  IV. Comparison with Other Senses

  80% of spatial positioning relies on olfactory compensation, while vision only accounts for 20% of decision-making weight.

  Hearing sensitivity is 3 times that of humans, offsetting visual limitations.

  (Note: Visual differences between hamster breeds are minimal, but albino individuals are more sensitive to strong light.)

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