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Infrared Nd:YAG lasers are used in photodisruption, a type of minimally invasive surgery, to create plasma (also known as a “lightning bolt”), which subsequently generates acoustic shock waves (sometimes known as a “thunderclap”) that have an impact on tissue.
Ophthalmic lasers offer accurate, infection-free therapy for a variety of eye issues. Many laser operations may be done without anaesthesia and with little to no pain.
The vapour bubble created by the laser causes the tissue to burst; between 100 and 305 °C is needed to achieve this effect.
A companion HeNe laser is frequently employed with an infrared laser since it cannot be seen by the surgeon. Chromatic aberration is a result of the infrared light bending at a deeper angle than the red light due to the eye lens’s role as a prism.
As a result, certain surgical lasers incorporate an additional adjustment to make up for the fact that the region illuminated by the HeNe laser is not precisely the area being treated by the Nd:YAG laser.
The Global Ophthalmic Photodisruptive lasers market accounted for $XX Billion in 2023 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2024 to 2030.
To practically increase the NA, either the focusing optics can be moved closer to the eye, which quickly results in bulky and disproportionately expensive optics at higher NAs, or the lens diameter of the focusing optics can be increased.
The majority of laser systems still employ the first strategy, which was first introduced to the market by Intra Lase.
The latter method was applied by Ziemer Ophthalmic Systems, bringing smaller laser focusing optics nearer to the eye. A microscope lens with a short focal length was used as the focusing optics to achieve this.
With this method, pulse energies could be decreased by a factor of more than 10.
Compact device design was made possible by directing the laser beam through an articulated mirror arm to a handpiece housing the focusing optics.
The handpiece eliminated the need to move the patient during the procedure and allowed the laser to be used under a surgical microscope.
