My friend was diagnosed with keratoconus.

My mother is going to the ophthalmologist because of keratitis.

His dream is to become a champion in mixed martial arts.

The development of fusion reactors could potentially be the key to solving future energy problems.

He drew an equilateral triangle shape.

Because of his color blindness, he has difficulty distinguishing between red and green.

Please calculate the area of this right triangle.

He believes that he has extrasensory perception.

The depressor anguli oris is the muscle that lowers the corners of our mouth when we are sad.

In which direction is your house?