Prevalence and Incidence of Glaucoma, hereditary

Ophanet, who are a consortium of European partners, currently defines a condition rare when if affects 1 person per 2,000. They list Glaucoma, hereditary as a "rare disease". More information about Glaucoma, hereditary is available from Orphanet

About prevalence and incidence statistics:

The term 'prevalence' of Glaucoma, hereditary usually refers to the estimated population of people who are managing Glaucoma, hereditary at any given time. The term 'incidence' of Glaucoma, hereditary refers to the annual diagnosis rate, or the number of new cases of Glaucoma, hereditary diagnosed each year. Hence, these two statistics types can differ: a short-lived disease like flu can have high annual incidence but low prevalence, but a life-long disease like diabetes has a low annual incidence but high prevalence. For more information see about prevalence and incidence statistics.

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