Muslim scientist and philosopher Ibn-al-Haytham made his most famous contribution to the field of _______?

Muslim scientist and philosopher Ibn-al-Haytham made his most famous contribution to the field of _______?

مسلم سائنسدان اور فلسفی ابن ال ہیتھم نے _______ کے میدان میں اپنی سب سے مشہور شراکت کی؟
Explanation

Ibn al Haytham is known as the Father of Optics.

His contributions to the field of optics through his monumental seven-volume work, Kitab al-Manazir (Book of Optics), compiled between 1011-1021 AD.