What constellation is Dr. Effin _ Who is Dr. Effin?

What kind of optical feeder does Zhao Yang recommend?

Zhao Yang recommended Yi Shi Bright Feeding Instrument.

"Laser-free red light therapy" is a brand-new concept put forward by Yi Shi Bright Feeding Instrument, and we can call it "optimized laser". It has two advantages:

1. Eliminate the disadvantage that almost all laser energy is concentrated in the center of the beam, because the energy is too high, which is easy to cause retinal damage. Greatly improve the safety of treatment.

2. Improving the power uniformity of the light spot projected on the retina and increasing the area projected on the choroid is conducive to improving the blood circulation of the choroid and improving the prevention and control efficiency.