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Eye Defects and Corrective Lenses

  • Science
  • Class 10
  • 3D model
  • English

Eye Defects and Corrective Lenses: a 3D model for Class 10 Science, covering The cornea and the eye lens together focus light to form a real, inverted image on the retina., Accommodation: ciliary muscles make the eye lens thicker (more power) to focus near objects while the retina stays put., Myopia: a distant object is focused in front of the retina (here because the eyeball is too long)…, Hypermetropia: a near object would be focused behind the retina (here because the eyeball is too short and…, Lens power P = 1/f (f in metres), measured in dioptres; concave lenses have negative power….

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Also called

human eye · defects of vision · myopia · near-sightedness · short-sightedness · hypermetropia · far-sightedness · long-sightedness · corrective lenses · spectacles · concave lens · convex lens · accommodation · power of accommodation · ray diagram of the eye · retina image

Topics

  • The cornea and the eye lens together focus light to form a real, inverted image on the retina.
  • Accommodation: ciliary muscles make the eye lens thicker (more power) to focus near objects while the retina stays put.
  • Myopia: a distant object is focused in front of the retina (here because the eyeball is too long)…
  • Hypermetropia: a near object would be focused behind the retina (here because the eyeball is too short and…
  • Lens power P = 1/f (f in metres), measured in dioptres; concave lenses have negative power…

About this model

A GLB file of about 1253 KB, shown in Lably's 3D viewer and, on a phone, placed in your room with AR. Credit: Geometry, optics solver and animation authored for Lably AR. Eye proportions cross-checked against the HuBMAP Human Reference Atlas eye (CC BY 4.0) and the Tactiles.eu "Eye 1" cornea/lens prints by Elisa de la Pena (CC BY-SA 4.0); neither mesh is included. | Newly authored Lably model (Lably project asset). No third-party geometry is included in lesson.glb.

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