Simply saying... my online exams wouldn't also work for the visually-impaired.
Says who? Visually-impaired doesn't imply totally blind. People can have all kinds of restricted vision disorders. Some may be unable to take your exam - but some may be able. But using a distorted image as firewall can be a hurdle too high to take for some people able to take your exam.

OTOH, if it's just a site that's about online exams which can't be taken by visually impaired, why the distorted image in the first place? Afraid the bots might take the exams?

In reply to Re^3: Is there a CPAN module that distorts an image to make it only human-readable? by Anonymous Monk
in thread Is there a CPAN module that distorts an image to make it only human-readable? by soon_j

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