ROD CELLS

• WHAT TYPE OF IMAGE DO ROD CELLS PRODUCE AND WHY?

  black and white images

  -> cannot distinguish between different light wavelengths
• HOW MANY ROD CELLS ARE THERE PER EYE?

  120 million
• WHERE ARE ROD CELLS FOUND?

  periphery of retina
• VISUAL ACUITY OF ROD CELLS?

  poor
• SENSITIVITY TO LIGHT OF ROD CELLS?

  sensitive to low intensity light
• HOW MANY TYPES OF ROD CELL ARE THERE?

  only one
• WHAT DO ROD CELLS HAVE?

  congruence
• WHY DO ROD CELLS HAVE CONGRUENCE?

  multiple rod cells link to one bipolar cell
• WHAT DOES THE CONVERGENCE OF ROD CELLS MEAN?

  much more likely to exceed the threshold and create a generator potential
• WHAT IS THE PIGMENT FOUND IN ROD CELLS?

  rhodospin