Calculation formula of intraocular lens power

The calculation formula of intraocular lens power is P= 19+(R×).

What is the use of intraocular lens degree measurement?

Accurate calculation of intraocular lens power can ensure the effect of cataract surgery.

It is very important to ensure the accuracy of intraocular lens power calculation, which will help to reduce or even prevent the chance of excessive errors in surgery and make patients obtain more satisfactory vision.

At present, the working principle of commonly used measuring instruments is based on optical biometric technology. A beam of light with short interference length (160 micron) emitted by a semiconductor laser is divided into two beams, which pass through different optical paths respectively.

Does cataract crystal have a degree?

If the patient implants an intraocular lens, it is necessary to calculate the degree of intraocular lens. If patients want to obtain ideal vision after intraocular lens implantation, it is closely related to the correct calculation before operation and the choice of intraocular lens power. According to the situation, the A-ultrasound, B-ultrasound, corneal curvature and intraocular lens power of ophthalmology should be measured before operation, and the intraocular lens power that patients need to install can be accurately estimated according to these examination results.

Cataract surgery is to remove the turbid lens and implant an intraocular lens. Everyone has different degrees of intraocular lens. It is necessary to measure the axial length and corneal curvature before operation to calculate the intraocular lens power. The higher the degree of myopia, the smaller the lens degree, which is now present at all stages, so high myopia can be corrected to some extent after surgery.