Footnotes

• Contributors All the authors listed contributed the key points mentioned in the letter as a result of a round-table discussion during the weekly glaucoma journal club meeting at Bascom Palmer Eye Institute. LSB compiled these points and wrote the letter which was reviewed, edited and approved by the other listed authors.

• Funding The authors received no specific grant from any funding agency in the public, commercial or not-for-profit sectors.

• Competing interests None.

• Provenance and peer review Not commissioned; internally peer reviewed.