title: Isolated cortical blindness without simultaneous neurological involvement in progressive multifocal leukoencephalopathy in a patient with human immune deficiency virus infection.
abstract: BACKGROUND
  This is a case report of cortical blindness in a HIV-positive patient with progressive multifocal leukoencephalopathy (PML) without any other associated neurological dysfunction.
  
  
  RESULTS
  Young HIV-positive patient presented to us with sudden profound visual loss. On examination and further investigation, we have diagnosed cortical blindness without any other focal neurological deficit due to PML.
  
  
  CONCLUSIONS
  Our case highlights the fact that PML needs to be suspected in patients with HIV, presenting with cortical blindness even without any other focal neurological defect.
authors.affiliation: Medical Research Foundation, Sankara Nethralaya, No, 18, College Road, Nungambakkam, Chennai, Tamil Nadu, 600 006, India. vijaymedic@gmail.com.
authors.forename: Vijay Ananth
authors.initials: VA
authors.lastname: Jeyaraman
authors.forename: Sridharan
authors.initials: S
authors.lastname: Sudharshan
authors.forename: Ambika
authors.initials: A
authors.lastname: Selvakumar
authors.forename: Shika
authors.initials: S
authors.lastname: Bassi
authors.forename: Olma Veena
authors.initials: OV
authors.lastname: Noronha
authors.forename: Poongulali
authors.initials: P
authors.lastname: Selvamuthu
authors.forename: Nagalingeshwaran
authors.initials: N
authors.lastname: Kumarasamy
authors.forename: Jyotirmay
authors.initials: J
authors.lastname: Biswas