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Dickens' use of exaggeration is key to his style. But its use has myriad effects from making a character's disposition unmissable, to adding whimsy and humour.
Light, particularly sunlight, has always occupied a mystical power and is commonly held to bestow good health upon recipients of its rays. Both the truth and fallacy in this will be demonstrated with science of photo-medicine from a chemist’s point of view.
Examples of disease as shown in artworks will be examined, from the medical and surgical point of view as well as the historical and artistic ones, particularly visual loss as portrayed by artists from pre-historic times.