How is keratomalacia caused?
summary
How is keratomalacia caused? Keratomalacia is caused by the lack of vitamin A and high nutritional disorders. In the early stage, the cornea and conjunctival epithelium are dry and deteriorated, and in the late stage, the corneal stromal cells are necrotic and broken. It is more common in children under 3 years old, often involving both eyes.
How is keratomalacia caused?
The intake is not enough to maintain the minimum requirement of the body, such as artificial feeding or poor food allocation during weaning, malnutrition; Or because of fever, consumptive diseases, parents lack of health knowledge, inappropriate "taboo", such as measles, pneumonia, etc.
Mainly vitamin A deficiency, children with digestive tract diseases, such as gastroenteritis, dyspepsia, dysentery, etc., resulting in vitamin A can not be absorbed. Children grow up too fast, or consume too much during the illness, the demand for vitamin A is large, and the formation of a lack of state.
Vitamin A deficiency not only causes epithelial degeneration of conjunctiva and cornea, but also causes more or less tissue changes in other epithelial tissue systems of the body, such as skin, digestive tract, respiratory tract, urinary tract, meibomian gland, lacrimal gland, etc. One of the most important is the respiratory tract and digestive tract mucosa, can occur pneumonia, bronchitis, enteritis, and the whole body dry skin, thin, weak limbs, hoarseness, diarrhea and so on. The main ocular signs were conjunctival dryness, especially blepharoplasty.
matters needing attention
The treatment principle of keratomalacia is to improve nutrition, supplement vitamin A and prevent serious complications. Etiological treatment is the most critical measure to correct malnutrition and strengthen the treatment of primary systemic diseases. A large amount of vitamin a supplement, at the same time pay attention to supplement vitamin B1 or BCO. In order to prevent and treat the secondary infection of cornea, topical drip of cod liver oil and proper selection of antibiotic eye drops and eye ointment were used.
