Field of vision

Field of vision

1. SHORT TOPIC FIELD OF VISION CHAIRPERSON: DR AMRUTH STUDENT:DR GANESH

2. The visual field is… “an island of vision surrounded by a sea of blindness .” —Harry Traquair

3. VISUAL FIELD AT THE LEVEL OF THE RETINA. THE POINT OF FIXATION IS FOCUSED ON THE FOVEA, THE PHYSIOLOGIC BLIND SPOT ON THE OPTIC DISK, THE TEMPORAL HALF OF THE VISUAL FIELD ON THE NASAL SIDE OF THE RETINA, AND THE NASAL HALF OF THE VISUAL FIELD ON THE TEMPORAL SIDE OF THE RETINA.

4. Cover one eye and stare fixedly straight ahead . The entire area of vision is the visual field of that eye. The entire visual field consists of a central field and a peripheral field , based on the duality of the cone and rod receptors of the retina .

5. EXAMINATION OF VISUAL FIELD

6. CONFRONTATION METHOD(DONDERS TEST)

7. PATIENT’S SIDE EXAMINER’S SIDE OF GOLDMANN PERIMETER

8. VISUAL FIELD DEFECTS

9. REFERENCE 1.DEJONGS NEUROLOGICAL EXAMINATION 2.HARRISONS TEXTBOOK OF MEDICINE 3.PAUL BRAZIS – LOCALIZATION OF LESION 4.NETTERS NEUROANOTOMY

10. THANK YOU…