What is the divine wisdom behind mentioning the noble verse (Allah is the Light of the heavens and the earth) after Allah Almighty commanded the believers to lower their gaze?

This noble verse came as a commentary on the specific legislations, rulings, and guidance mentioned in the Surah, expressing gratitude that Allah Almighty is the Originator of the general principles of guidance and true knowledge for all people, by sending His Messenger with guidance and the religion of truth. It also contains an announcement of Allah's greatness, glory, and the comprehensiveness of His knowledge and power.