Defects of Vision

Optical Instruments

Defects of Vision

  • The eye is nearly spherical in the shape of diameter about 2.5 cm. 
  • The extre...}

Microscope

Optical Instruments

Microscope

  • A simple microscope is an optical instrument used to view near objects
  • A compound...}

Telescope and Camera

Optical Instruments

Telescope and Camera

  • A telescope consists of two lenses, called the objective and eyepiece, separated by a dista...}