Answer:
The correct answer is "difficulty determining colors".
Explanation:
Cone dystrophy is a medical condition that affects the cone cells of the retina. Cone cells help a person to see colors and fine details. Cone cells work best in light conditions. One with cone dystrophy can experience a variety of symptoms such as inability or reduced ability to see colors, an increase in sensitivity for light and others.
So, the best answer is difficulty determining colors.