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- Pro - its a respectively simple test (assuming a certain level of cognitive ability) with often a high measure of repeatability
- Con - it fails to factor in retinal image size cause by spectacles vs contacts
- Con = its not a direct correlation of someones vision; its just a nice easy number. Whilst someone might have 6/10 vision (within the DVLA VA vision standard to drive), there maybe other pathology present within the eye, ie cataract could cause glare especially at night time; OR : a patient with early macula odema would still fall within the driving standard (or even be assymptomatic) but both would need referral to an ophthalmologist for treatment of their eye conditions.
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