normal tension glaucoma.
If a person has an elevated IOP of 30 and a similarly elevated CSFP they would have balanced pressures at the lamina cribrosa and may **not** experience glaucoma -- even with elevated IOP.
Likewise...a person with normal IOP but below normal CSFP would have a pressure imbalance at the lamina cribrosa and may experience glaucoma -- even with normal or low IOP.
Side...w…
david