page_title: Sensory organs of gastropods
section_title: Lens eyes
hierarchical_section_title: Sensory organs of gastropods / Eyes / Lens eyes
caption_attribution_description: Deutsch: Lichtmikroskopisches Schnittbild eines Schneckenauges English: Light micrograph of a section through a snails' eye. 1 anterior chamber, 2 lens, 3 retina, 4 optic nerve
context_page_description: The sensory organs of gastropods include olfactory organs, eyes, statocysts and mechanoreceptors. Gastropods have no sense of hearing.
context_section_description: another drawing of eye of Helix pomatia
caption: Eye of a snail.
   1 - anterior chamber,
  2 - lens,
   3 - retina,
   4 - optic nerve.
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