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Materia Medica Viva Volume 9 – page 1905

evening, when he wants to look sharply at something or to read by artificial light, everything appears as though through a gauze; wiping the eyes relieves for a short time’. ‘Dull pain in eyes while reading and exerting mind’.
According to Kent and Boericke, Cina is not so much indicated in young people with symptoms from eyestrain, but more at the age when presbyopia sets in, and looking at fine print or work requires much effort.
Chronic weakness of sight, with photophobia and pressure in the eyes as from sand.
Cina is indicated in strabismus, especially if helminthiasis is present. Concomitant symptoms: pale, sickly appearance, blue rings around
eyes, frequently complains about abdominal pain in umbilical region, frequent urging to urinate, peculiar milky appearance of urine, frequent boring in nose, constant discharge of thin mucus from nose, constant inclination to hawk with audible rattling of mucus in the air passages, frequent pappy stools. Altered vision of colours. This has been observed in an extreme degree in provings of Santoninum, the active principle of Cina; but it also appeared in persons who took Cina ‘against worms’. Yellow vision is most marked; white things appear strikingly yellow, the blue sky looks green. Violet vision is also frequent. The disturbances of vision may increase to an inability to distinguish colours, and even to optical hallucinations in bright colours.
The eyelids may also feel tired and weak, hardly able to open the eyes all morning.
A pulsation of the superciliary muscle, a kind of spasm.
Frequent tickling itching or crawling in the canthi and lids, obliging to rub them.
Ears
Cramp-like twitching in external ear, like earache.
Beneath the mastoid process, dull sticking like a pinching pressure; when pressed upon pain as from a blow or as if beaten.
Tendency to bore into the ears.