Earliest field defect in open angle glaucoma is -
Field defect in the order of appearance Isopter contractionBaring of blind spotsmall wing shaped paracentral scotomasiedel's scotomaArcuate or Bjerrum's scotomaRing or double arcuate scotomaRoenne's central nasal stepperipheral field defectsAdvanced glaucomatous field defects. Ref :Ophthalmology A K Khurana 6th edition chapter-10 page no :233
Contraction of the all isopters
Enlarged blind spot
Nasal tip
Arcuate scotoma
Glaucoma