ArticleBiophotonics discovery2025
Low-cost optical system for laser phacoemulsification of cataracts.
Article in Biophotonics discovery, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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5 authors.
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Abstract
Significance: Laser-based phacoemulsification is the preferred treatment for surgical removal of cataracts in the eye. Conventional methods of laser phacoemulsification use expensive, high-powered lasers that use femtosecond pulses to soften and emulsify cataracts, resulting in low- to middle-income countries relying on methods that lead to longer recovery times and higher rates of infection and astigmatism. Aim: We introduce and demonstrate the potential of laser phacoemulsification using a millisecond pulsed laser that can be realized using a low-cost diode laser. Approach: We show proof of concept for this device using computer simulations in COMSOL and with a prototype instrument tested on different tissue-simulating phantoms. Results: Our experiments show that the millisecond pulsed laser liquifies cataract-like tissues only at the point of illumination. Conclusions: A low-cost device for phacoemulsification can potentially reduce the burden of cataract surgeries in low-resource settings.
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