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Clinical Presentation of Vitreoretinal Disorders

Clinical Presentation of Vitreoretinal Disorders. Dr. Ayesha Abdullah 2.11.2017. Learning outcomes. By the end of this lecture the students would be able to;

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Clinical Presentation of Vitreoretinal Disorders

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  1. Clinical Presentation of Vitreoretinal Disorders Dr. Ayesha Abdullah 2.11.2017

  2. Learning outcomes By the end of this lecture the students would be able to; • Identify the common symptoms and signs of VR disorders (VRD) and correlate them with the underlying problems with the structure and function of the VR. • Identify structural landmarks on retinal photographs. • Correlate the indications for commonly used investigations for the assessment of retinal disorders with the underlying pathology.

  3. Anatomical landmarks of the retina

  4. Common Presenting Symptoms in VRD • Visual loss, mostly painless, sudden/ gradual • Loss of central vision • Loss of peripheral vision • Loss of visual field • Loss of colour vision • Distorted vision; metamorphopsia, micropsia, macropsia

  5. Common Presenting Symptoms in VRD • Loss of contrast sensitivity • Glare sensitivity • Night blindness • Photopsia/ flashes • Floaters ;  'specks', 'flies', 'spiders' and, ‘cobweb‘, ‘mosquitoes’.

  6. Loss of central vision http://www.retina-international.org/

  7. Loss of peripheral vision http://www.retina-international.org/

  8. Contrast sensitivity and light & dark adaptation problems

  9. Contrast sensitivity and light & dark adaptation problems

  10. Glare

  11. Flashes of light/ photopsia

  12. Floaters

  13. Colour vision deficiency http://www.achromatopsia.info/childrens-vision/

  14. Field loss

  15. Scotoma Negative Scotoma Positive Scotoma

  16. Signs

  17. Swollen optic disc

  18. Pale optic disc

  19. Cupped optic disc

  20. Macular signs

  21. Retinal Haemorrhages

  22. Vascular changes

  23. Exudates

  24. Cotton wool spots

  25. Retinal Tear/ hole

  26. New Vessels

  27. ?

  28. Quiz

  29. Commonly used investigations B Scan A Scan

  30. OCT

  31. Angiography

  32. Electroretinogram

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