VISUAL FIELD DEFECTS IN GLAUCOMA
The video talks about the various field defects specific to glaucoma. The video explains the arrangement of nerve fibres in the retina and optic disc and explains the type of field defect associated with each fibre affected.
The arcuate fibres are the most susceptible to glaucoma and the nasal and papillomacular bundle is the most resistant to glaucomatous damage.
The field defects in glaucoma can be non specific and specific field defects.
ISOPTER CONTRACTION, BARING OF BLIND SPOT, ENLARGEMENT OF BLINDSPOT are non specific early glaucomatous changes.
The more specific glaucomatous changes are the PARACENTRAL SCOTOMA, SEIDELS SCOTOMA, BJERRUMS SCOTOMA, ARCUATE AND DOUBLE ARCUATE SCOTOMA, ROENNES NASAL STEP.
The advanced glaucomatous field defects include the TUNNEL VISION OR TOTAL VISUAL FIELD LOSS.
#glaucoma
#visualfielddefects
#scotoma
#insightophthalmology
30 июн 2024
