The new methods of treatment for age-related macular degeneration using the ultra–short pulsed laser

Yumiko Iwamoto; Kunio Awazu; Sachiko Suzuki; Tetsuro Ohshima; Miki Sawa; Hirokazu Sakaguchi; Yasuo Tano; Masahito Ohji

doi:10.1117/12.701748

6 February 2007 The new methods of treatment for age-related macular degeneration using the ultra-short pulsed laser

Yumiko Iwamoto, Kunio Awazu, Sachiko Suzuki, Tetsuro Ohshima, Miki Sawa, Hirokazu Sakaguchi, Yasuo Tano, Masahito Ohji

Proceedings Volume 6435, Optical Interactions with Tissue and Cells XVIII; 64350U (2007) https://doi.org/10.1117/12.701748
Event: SPIE BiOS, 2007, San Jose, California, United States

Abstract

The non-invasive methods of treatments have been studying for the improvement of quality of life (QOL) of patients undergoing treatment. A photodynamic therapy (PDT) is one of the non-invasive treatments. PDT is the methods of treatment using combination of a laser and a photosensitizer. PDT has few risks for patients. Furthermore, PDT enables function preservation of a disease part. PDT has been used for early cancer till now, but in late years it is applied for age-related macular degeneration (AMD). AMD is one of the causes of vision loss in older people. However, PDT for AMD does not produce the best improvement in visual acuity. The skin photosensivity by an absorption characteristic of a photosensitizer is avoided. We examined new PDT using combination of an ultra-short pulsed laser and indocyanine green (ICG).

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Yumiko Iwamoto, Kunio Awazu, Sachiko Suzuki, Tetsuro Ohshima, Miki Sawa, Hirokazu Sakaguchi, Yasuo Tano, and Masahito Ohji "The new methods of treatment for age-related macular degeneration using the ultra-short pulsed laser", Proc. SPIE 6435, Optical Interactions with Tissue and Cells XVIII, 64350U (6 February 2007); https://doi.org/10.1117/12.701748

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KEYWORDS

Photodynamic therapy

Pulsed laser operation

Luminescence

Laser irradiation

Indocyanine green

Absorption

Blood circulation

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