Prezentace o presbyopii

1. PRESBYOPIA AND EYE
EXERCISES

2. Presbyopia
• Eye lens loses elasticity and plasticity (the ageing of a
lens)
• Defect starting up to 40 years of the age of a man
• At the age of about 60 stabilizes
• It affects all people
• „Short arms“, postponing of work nearby

5. Hypermetrop - presbyop
• Start earlier
• Stronger converging lenses

6. Myop - presbyop
• Later start
• They take off distance glasses for reading

7. Correction
• Glasses for reading
• Bifocal, trifocal lenses
• Multifocal lenses
• Contact lenses
• Laser operation
• Intraeye lens
• monovision

8. Glasses for reading
• Only for one distance
• For ametrops necessity to change glasses for different
distances

9. Bifocal, trifocal lenses
• Only 2 (3) distances
• Jump of picture
• Limited visual field
• Visible divide

10. Multifocal lenses
• Vision in all distances
• In periphery „swinging of picture“
• Narrow space for middle distance
• Longer accustoming time

11. Contact lenses
• Unsuitability for everyone
• Accustoming time
• High hygiene
• Wrong usage can lead to eye infection
• Expensive

12. Laser operation
• 1. Correcting of a former defect
• 2. Grinding of a multifocal shape tvaru to a cornea
• Intervention into an organism
• Postoperative result doesn´t have to be final
• Irreversible intervention

13. Monovision
• One eye in the distance and one eye near
• The pathient doesn´t have to get used
• Unaesthetic with glasses on

14. Intraeye lens
• 1. an eye lens is replaced with a multifocal lens
• PRELEX
• Difraktion streaks
• On the retina 2 pictures, in distance and nearby
• From the beginning sickness
• In the future an operation of katarakta won´t be in
danger
• It is possible to change a lens in case of
unsuitability

15. Prelex

16. Intraeye lens
• Lens is put into eye with concentric circles
• Patient can see in all distances
• From the beginning sickness
• He doesn´t have to acclimatize to it…next operation
• If it doesn´t suit , it can be taken out

17. Putting off presbyopie
• American doctor William H. Bates at the turn of 19. and
20. century
• Practise eye exercises for 10-15 minutes every day
• Without glasses
• To practise exercises as far as we manage

18. Warming up
• Close eyes and and nod your head
• Forward and back
• From side to side
• All around
• 15 times in every direction

19. • Up and down
• 10 times

20. • From left to right
• 10 times

21. • From up left corner to down right corner
• From up right corner to down left corner
• Everyone 10 times

22. • Circle with eyes to one side and other side
• To each side 5 times

23. The Alphabet
• Several times circumscribe a letter H and A with your
eyes
• Start on down left
• End on down right

24. The envelope
• Circumscribe a shape of an envelope with your eyes
• Up on the left, down on the right,up on the right, down on
the left

25. The clock
• Imagine a large clock face
• Go pass single figures with your eyes
• In direction of clock hands and the opposite direction.

26. Focusing
• Focus on the top end of a pencil
• Still focus and move a pencil closer

27. Focusing
• Focus on a distant object (5m)
• Focus on a close object (10-15cm)
• 10 times

28. After exercising
• Lean on
• Close your eyes and cover them with your palms
• Relax
• For 1-3 min