As a composer, Victor has produced over 200 works to date, ranging from opera, orchestral music, to numerous chamber works, choral pieces and songs, many of which are recorded and published. Major works of him include commissions for the 1997 Hong Kong Reunification, the Annual Meetings of the World Bank Group / International Monetary Fund, the 50th anniversary of the founding of the People’s Republic of China, and the Philharmonic Orchestra of Radio France, etc. Victor joined the Chinese University of Hong Kong in 1989, having served as Professor in Composition, Dean of General Education and Head of the Chung Chi College. He is currently Professor Emeritus of the Department of Music.

Victor enjoys quiet moments of prayer and meditation. He also loves cooking and doing all kinds of housework.

陳偉光至今已完成超過二百多部作品，類型多樣，包括歌劇、管弦樂、室內樂、器樂獨奏曲、合唱及獨唱歌曲等，其中不少已灌錄及出版。陳偉光的主要作品以管弦樂居多，包括了應「九七回歸慶典」、「世界銀行及國際貨幣基金組織年會」、「中國建國五十週年慶典」、及「法國電台管弦樂團」而委約的原創音樂。自一九八九年起，陳偉光一直任教香港中文大學，歷任作曲教授、通識教育主任、及「崇基學院」院長。二零一九年獲大學授予「音樂系榮休教授」。

陳偉光最愛禱告默想的寧靜時刻。在平日的生活中，他也十分享受下廚和做各樣的家務。