An Essay On Vision Briefly Explaining the Fabric of the Eye And the Nature of
An Essay On Vision Briefly Explaining the Fabric of the Eye And the Nature of
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Though, in the choice of spectacles, every one must finally determine for himself, which are the glasses through which he obtains the most dis- tinct vision ; yet some confidence should be placed in the judgment of the artist, of whom they are purchased, and some attention paid to his direc- tions. By trying many spectacles the eye is fatigued, as the pupil varies in size with every different glass, and the eye endeavours to accommodate itself to every change that is produced. Hence, the purcha...ser often fixes upon a pair of spectacles, not the best adapted to his sight, but those which seem to relieve him most, while his eyes are in a forced and unnatural state ; and consequently, when he gets home, and they are returned to their natural state, he finds what he had chosen, fatiguing and injurious to his sight.
345 AN ESSAY ON VISION— ADAMS Of Preservers, and Rules for the Preservation of the Sight.
Though it may be impossible to prevent the absolute decay of sight, whether arising from age, partial disease, or illness, yet by prudence and good management, it's natural failure may certainly be retarded, and the general habit of the eyes strengthened, which good purposes will be pro- moted by a proper attention to the following maxims.
What to read after An Essay On Vision Briefly Explaining the Fabric of the Eye And the Nature of?
You can find similar books in the "Read Also" column, or choose other free books by George Adams to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Though, in the choice of spectacles, every one must finally determine for himself, which are the glasses through which he obtains the most dis- tinct vision ; yet some confidence should be placed in the judgment of the artist, of whom they are purchased, and some attention paid to his direc- tions. By trying many spectacles the eye is fatigued, as the pupil varies in size with every different glass, and the eye endeavours to accommodate itself to every change that is produced. Hence, the purcha...ser often fixes upon a pair of spectacles, not the best adapted to his sight, but those which seem to relieve him most, while his eyes are in a forced and unnatural state ; and consequently, when he gets home, and they are returned to their natural state, he finds what he had chosen, fatiguing and injurious to his sight.
345 AN ESSAY ON VISION— ADAMS Of Preservers, and Rules for the Preservation of the Sight.
Though it may be impossible to prevent the absolute decay of sight, whether arising from age, partial disease, or illness, yet by prudence and good management, it's natural failure may certainly be retarded, and the general habit of the eyes strengthened, which good purposes will be pro- moted by a proper attention to the following maxims.
What to read after An Essay On Vision Briefly Explaining the Fabric of the Eye And the Nature of?
You can find similar books in the "Read Also" column, or choose other free books by George Adams to read onlineMoreLess
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