Can thallium cause blindness

summary

In our life, many friends will come into contact with thallium in the field of work. If we are not careful, thallium poisoning will do great harm to people's health. Let me share with you whether thallium can cause blindness.

Can thallium cause blindness

First, thallium poisoning may lead to blindness. Thallium is more toxic to mammals than lead, mercury and other metal elements, and is equivalent to arsenic. Its minimum lethal dose to adults is 12 mg / kg body weight, and to children is 8.8-15 mg / kg body weight.

Second, the symptoms after poisoning are numbness or pain of lower limbs, lumbago, alopecia, headache, restlessness, muscle pain, hand and foot tremor, walking instability, etc., and eye symptoms (such as ptosis and strabismus, mydriasis, retrobulbar optic neuritis, optic atrophy, blindness, etc.). Thallium poisoning generally has typical symptoms of nervous system, digestive system, hair loss and skin damage. However, thallium poisoning is rare, so it is often ignored, leading to misdiagnosis.

Third, daily exposure and intake are important factors leading to thallium poisoning. Thallium compounds can be absorbed through the whole skin, or through hair follicles, respiratory mucosa and other parts of the body surface. Some cases show that exposure to thallium dust for 2 hours may lead to acute thallium poisoning.

matters needing attention

Thallium is not accessible to everyone, but thallium compounds are widely used in industrial production. In addition, the raw materials used in the production of firecrackers (fireworks) often contain a high amount of thallium, and the by-product sodium chloride (non edible salt) is also polluted. When the human body eats this non edible salt (often sold by lawbreakers), it will cause poisoning.