I think I can answer this, having both glaucoma and a medical background.
It's entirely possible for your optic nerves to show signs (cupping, it's called) of glaucoma, but for your intraocular pressure to be within normal range at the time of your exam. The pressures are typically highest when you first wake up and again in the late afternoon. Your eye doc might want to take your eye pressure readings at different times, as well as do tests such as corneal thickness and visual fields to see exactly where you stand. If your corneas are thick, your eye doc can knock off one whole point per pressure reading per eye. If your visual fields show deficits, then that would confirm glaucoma but with normal pressure readings it would be a very slow progressing form of open angle glaucoma. It's easily treated with either drops or pills, and definitely best to catch it *now*.
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Date: 2006-05-18 08:13 pm (UTC)It's entirely possible for your optic nerves to show signs (cupping, it's called) of glaucoma, but for your intraocular pressure to be within normal range at the time of your exam. The pressures are typically highest when you first wake up and again in the late afternoon. Your eye doc might want to take your eye pressure readings at different times, as well as do tests such as corneal thickness and visual fields to see exactly where you stand. If your corneas are thick, your eye doc can knock off one whole point per pressure reading per eye. If your visual fields show deficits, then that would confirm glaucoma but with normal pressure readings it would be a very slow progressing form of open angle glaucoma. It's easily treated with either drops or pills, and definitely best to catch it *now*.