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Biospectral Systems

Calvin (Night)

Calvin (Night)

Regular price $159.99 USD
Regular price Sale price $159.99 USD
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Prescription

Calvin (Night) is an iconic design with a modern ombre edge — thick frames, barrel hinges, and a sleek nose bridge — built for evenings and sleep preparation. Deep amber and red lenses block virtually all blue and green light — the wavelengths known to suppress melatonin — so worn 2–3 hours before bed, Calvin (Night) helps restore your natural circadian rhythm.

  • Modern ombre edge: Thick, durable frame with barrel hinges and a sleek nose bridge.
  • Nighttime focus: Deep amber/red lenses block virtually all blue and green light to reduce melatonin suppression.
  • Evening-focused use: Wear 2–3 hours before bed to help reset your circadian rhythm and improve sleep readiness.
  • Fits your routine: Available in Non-Prescription, Readers, and Prescription options.

Calvin (Night) is a thoughtful tool to restore the signals of life and build a more regenerative indoors. Choose Calvin (Night) to welcome back calmer nights and clearer mornings.

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