Femtosecond laser technology can treat presbyopia

Release date: 2009-08-05




Presbyopia is a common problem encountered in the elderly, but there is still no hard surgical treatment for presbyopia. Currently, a federally funded project in Germany is working on femtosecond laser treatment of presbyopia, and has achieved initial results in animal experiments.

The Technical Association of the German Society of Engineers issued a press release on July 31, saying that after several years of basic research, a research institute called "High Repetition Frequency and Pulse Energy Femtosecond Laser Treatment of Presbyopia" participated by institutions and companies such as the Hannover Laser Center in Germany. The project was officially launched in June this year. The goal is to develop an innovative laser treatment device that uses ultra-short femtosecond laser pulses to make tiny cuts in the lens of the eye of the presbyopic eye to restore the elasticity of the lens. Presbyopia is caused by lens hardening.

It is reported that animal experiments with pigs show that this femtosecond laser can effectively improve the elasticity of the pig's eye lens. At present, relevant clinical trials for the human eye have also begun, and it is expected that the relevant technology will be available for the first batch of clinical treatment after two years. At that time, the treatment of presbyopia is expected to require simple outpatient surgery.

A femtosecond laser is a super-ultra-short pulse laser that can be calculated in femtoseconds (ie, one-billionth of a second). At present, Germany, the United States and other countries have tried to treat myopia and astigmatism with femtosecond laser. Shanghai Medical Device Industry Association

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