Perret Opticians
 
We have been opticians for three generations in our family, and our activity is targeted on three areas, optometry, contact lenses and optical instruments.

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German


 

 

 

 

 

 

 


 



ANATOMY (1)

Outer layers of the eye

 

80 % of information from the outside world is received through our eyes. our visual system is one of the most elaborate.

Eye Orbital hole:

 

Eye Lid:

 

Lacrymal apparatus:

The tears

  • The film lachrymal nourishes the eye (oxygen, rock salt etc)
  • Assure a smooth corneal surface 
  • Combat the harmful bacteria
  • Wash out foreign bodies

 

Eye's Muscles:

Eyes have a diameter of 25 mm with muscles that allow for eye movements and sight direction. our field of vision may attain 200°. the muscles are fixed in the orbit.

A = RIGHT UPPER MUSCLE B = RIGHT TEMPORAL MUSCLE
C = RIGHT LOWER MUSCLE D = RIGHT NASAL MUSCLE
E = OBLIQUE LOWER MUSCLE F =OBLIQUE UPPER MUSCLE
N.O. =OPTICAL NERVE CORN. = CORNEA

  

 

 

 

 

 

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