How to write the description of eyes?

The description of the eyes is as follows:

1. Every time she thinks with her chin cupped, the pupils of Vitis amurensis are exceptionally dark and bright, like two rare black pearls immersed in the sea of wisdom.

2. Eyes are as clear as the sky and as deep as the sea. At dawn and dusk, light and shadow are free to play here.

When he looks directly at him, his eyes are as black as shiny paint, and the love stored in them is immeasurable.

4. She, sitting on the steps, her big childish eyes are shining with the deep luster of black gems, and her straight nose shows her stubborn character.

Lu Xiang turned around and a pair of affectionate eyes looked at her like two dewdrops jumping on the lotus leaf.

6. A pair of big eyes are embedded under thick eyebrows, and black eyes are like abacus beads.

7. Liangliang is a boy of 10 years old. He looks dignified and strong, especially his eyes like black grapes under his pale eyebrows. He kept looking around, full of strong thirst for knowledge.