Classified according to the hardness of contact lenses
Rigid contact lenses (HCL)

Acrylic glass and poly-methyl ester as the main material of the contact lenses, although some flexibility, but flexibility is very small, great hardness MAC Lipsticks, water absorption of other materials is very small or even zero.

Soft contact lenses (SCL)

Including hydrophilic and non-hydrophilic lenses. Commonly referred to as soft contact lens is hydrophilic, hydrogel lenses. Materials with high water absorption, good hydrophilic properties.

Semi-soft contact lenses

Hardness is between hard and soft contact lenses.

Classified according to the use of contact lenses

Correction of refractive errors with

Use of contact lenses to correct vision is the most commonly used for a variety of refractive errors as myopia, hyperopia, astigmatism, keratoconus, aphakia and so apply.

Treatment with

Bandage soft contact lenses as the lens, in the post-traumatic use.

Beauty orthopedic use

Increase the use of colored contact lenses, or iris color contact lenses, change eye color, to prevent the shame out, etc., can be used for iris defects, aniridia, iris heterochromia, trauma, eye deformation, walleye, etc.

Check with

Mainly used for anterior chamber angle examination and fundus examination of a special type of contact lenses.

Can be divided into hard contact lenses and soft contact lenses.

② According to the contact lens wearing time can be divided into extended wear and disposable (daily wear MAC Eyeshadow, weekly wear) contact lenses.

③ According to the role of contact lenses can be divided into therapeutic, cosmetic.

(2) Contact Lenses

Soft contact lenses can absorb water, oxygen penetration, soft and curved, less stimulation of the cornea, the cornea meet the requirements of respiratory metabolism, wear longer, can be used for general myopia, hyperopia and astigmatism correction, is the main contact lenses the product.

In recent years, the birth of a new third generation of rigid gas permeable contact lenses MAC Cosmetics Bags, gas permeable rate higher than the previous two generations of nearly 4 times the service life also increased 3-fold, long-term companion of the white-collar workers with computer and students, can slow down and control of myopia, which was gradually accepted.

(3) how long the life of contact lenses

Currently divided into the types of contact lenses: rigid lens permeability (RGP), general soft lens (SOFT), periodic replacement or disposable soft lenses (D. SOFT), the length of life is different.

Early rigid contact lenses is generally 2-4 years, RGP is 1 to 3 years, SOFT no more than 1 year, D. SOFT for the week, month or daily. Each person according to use, time, and eye conditions, different from the surrounding environment to determine the lens.

And the role of the advantages of contact lenses

(1) the advantages of contact lenses

Contact lenses, also known as contact lenses. Is made according to the form of human cornea, directly attached to the corneal tear layer; and can be compatible with the physical eye, so as to achieve vision correction, cosmetic, therapeutic purposes such as optical products.

Contact lenses for patients with refractive errors wholesale mac makeup, including myopia, hyperopia, astigmatism, anisometropia, and special types of refractive errors in patients.

(2) the role of contact lenses

① treatment

The role of corneal contact lenses to protect, but also slow-release drugs in clinical practice for treatment of ocular chemical burn, glaucoma, keratitis and other eye diseases.

Contact lenses have special orthopedic effect, make the iris defect, patients with retinal diseases such as albinism from excessive ultraviolet radiation.

② visual effects

Wearing contact lenses can make eyes the visual clarity, a broader perspective.

Wear glasses MAC Brushes Set, because the glasses between the eyes and a certain distance, so each image can be seen to increase 1.00D zoom in or out of about 2%. Tightly attached to the corneal surface as contact lenses, no mirror, the distance between the eyes, so that the image size by close to true.

③ feel the effect

Wearing contact lenses feel more comfortable, more convenient.

Glasses have the following disadvantages: Frame compression ear nose and the Department of the Ministry, a common cause of contact dermatitis. Wearing glasses will steam condensation on the lenses, glasses on the bridge of the nose will drop, easy to break the glass lens. And contact lenses do not have these problems.

Role of cosmetic color contact lenses with the right for self-conscious person or professional who needs to change eye color, and walleye patients. For those who want to change the eye color, color contact lenses will no doubt make you shine.

Contact lenses and lens 0K

With advances in technology, contact lenses has become a more mature technology advanced, wear comfortable as optical products. However MAC Eyeliner Gel, the role of contact lenses on the eye is a double-edged sword, those who understand the need to wear and have more knowledge.