Yoga in the form of breathing exercises: a bane for some.

To cite: Holla A, Gonsalves SRJ. BMJ Case Rep Published online: [please include Day Month Year] doi:10.1136/bcr-2013200922 DESCRIPTION A 28-year-old man presented with painless defective vision in the left eye of 4-day duration. He gave a history of performing yoga in the form of breathing exercises prior to this. There were no other ocular/systemic problems. On examination, vision in the right eye was 6/6. Anterior segment/fundus was normal. His vision in the left eye was 2/60, not improving with pinhole. The anterior segment was normal. Fundus examination revealed a large subhyaloid haemorrhage involving the macula (figure 1). His systemic examination was normal. Blood pressure, full blood count, coagulation profile and blood sugars were normal. A diagnosis of valsalva retinopathy was made. The patient was subjected to argon green laser hyaloidotomy, with power 200 mw; spot size 50; duration 200 ms. There was