[Popular Science] All-round PK丨Multi-point defocus glasses or ordinary glasses, which one should you choose?

Parents, do you feel particularly worried every time you see the thick lenses of your children who are nearsighted? As the problem of myopia among teenagers becomes increasingly serious, the function of glasses as a vision correction tool has changed from simply "seeing clearly" to "controlling myopia". However, how to choose between ordinary glasses and multi-point defocus lenses? This has stumped many parents. Don't worry, today we will have an all-round PK, from design principles to wearing effects, from comfort to cost-effectiveness, all will be analyzed clearly for you. I believe that after reading this, you will have the answer in your heart.

Design Principles

Regular glasses - Regular single vision lenses correct vision only through the central optical zone, focusing light on the center of the retina to see distant objects clearly.

Multi-point defocusing lens

• Using a "microstructure design", the lens is divided into a central optical area and a peripheral defocus area.
• Central optical area: corrects existing myopia and ensures clear vision of objects in front;
• Peripheral defocus area: It can be understood as a "defense network" composed of hundreds of small positive lenses, which allows light to focus in front of the retina and sends a "brake signal" to the eyeball to "inhibit the elongation of the eye axis."
• This design delays the development of myopia at the root by dynamically regulating the defocus state of the retina.

Wearing effect PK

Wearing comfort and adaptability PK

Fitting and maintenance PK

Price and cost performance PK

Aier Eye Hospital reminds

Since multi-point defocus lenses have medical properties, they have high requirements for fitting accuracy and custom processing. After wearing, professional ophthalmologists are also required to follow up regularly to monitor the changes in degree and axial length. Therefore, parents must take their children to professional ophthalmological medical institutions for examination and fitting! It is recommended to review once every six months after fitting the glasses to monitor the development of myopia in children over the long term.