Myopia is said to be growing into one of the biggest public health challenges in the world, affecting 2.6 billion globally.
The partnership will grant Thomson X an option to subscribe to an equity stake in Plano, which can be exercised in three tranches over a six-year period based on certain conditions.
If all three tranches are exercised, Thomson X will hold a minority stake in Plano.
Shares in Thomson closed 0.1 cent lower or 2.0% down at 4.8 cents on Feb 5.
