Initial Parafoveal Versus Peripheral Scotomas in Glaucoma: Risk Factors and Visual Field Characteristics

To assess risk factors for an initial parafoveal scotoma (IPFS) compared with an initial nasal step (INS) in glaucoma.Retrospective, observational study.Sixty-nine patients with glaucoma with an isolated IPFS and 53 patients with an isolated INS.On the basis of 2 reliable, consistent 24-2 Swedish interactive threshold algorithm standard visual fields (VFs), 2 groups of patients with glaucoma were studied: those with an IPFS in 1 hemifield (≥3...