Beauty killer: the harm of Meitong contact lens
summary
At present, the market of Meitong contact lens is in chaos, especially through the network sales and other informal channels, resulting in hundreds of good and bad color contact lenses flowing into the market. In recent years, the safety incidents caused by the hazards of wearing Meitong occur from time to time, causing the attention of consumers and the media. The following Taotong net, according to my daily experience, I sort out the relevant information about the hazards of Meitong contact lenses for your reference.
Beauty killer: the harm of Meitong contact lens
First, there are many inferior pupil contact lens pigments are directly printed and dyed on the surface of the lens. If the production technology is not up to standard, some pigment substances may fall off and damage the eyes in the future. The pigment may cause allergy, stimulate the cornea and conjunctiva, and cause inflammation. Because the chemical composition of the pigment is not approved, the process is rough, and some products have not been approved by the relevant government departments Both of them increase the possibility of eye related complications.
Second: some beautiful pupil contact lenses use a smaller optical area in pursuit of color exaggeration, which will narrow the visual field of the eye. Generally, the light transmittance of the dyed part is poor.
Third: some beauty pupil contact lens pigment printing and dyeing on the surface of the lens, reduce the oxygen permeability of the lens. Long term corneal hypoxia can lead to redness, discomfort, corneal neovascularization and other complications, affecting corneal health.
matters needing attention
Traditional color contact lenses have more deposition and pigment on the surface of the lens, which can cause poor wettability of the lens and easily lead to dry eye.