diodes producing light energy at 370-380 nm were introduced in 2002. UV and violet laser diodes have enough energy per photon to directly stimulate the retinal neurons. Longer wavelength green and red solid state and laser diodes are commonplace and may provide the required laser power for the ...
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The questionnaire was used to obtain sociodemographic information reported in patient files. Sociodemographic variables included age, gender, country of origin, state of residence, education, employment status, income, and years living in the US. Lifestyle variables included current smoking status and al...