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Long-term perimetric fluctuation in glaucoma
  1. Harsha L Rao1,2,
  2. Nikhil S Choudhari1,
  3. Arpita Basia1,
  4. Chandra S Garudadri1
  1. 1VST Glaucoma Center, L V Prasad Eye Institute, Hyderabad, India
  2. 2Center for Clinical Epidemiology and Biostatistics, L V Prasad Eye Institute, Hyderabad, India
  1. Correspondence to Dr Harsha L Rao, L V Prasad Eye Institute, Banjara Hills, Hyderabad 500034, India; harshabl.76{at}gmail.com

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We read with interest the article by Fogagnolo et al1 titled ‘Long-term perimetric fluctuation in patients with different stages of glaucoma’. Judging visual field progression is a challenging task because of the subjective nature of the test as well as the long-term and short-term fluctuations in the threshold estimations. We compliment the authors for their efforts to quantify the long-term perimetric fluctuation (LF) in patients with different stages of glaucomatous visual field loss. However, we would like to highlight a couple of …

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