Too much light will not blind, or fry them, but they may hide out. Dust humidity, water turbidity and dirty vinyl or glass covers will influence the light as well. Intense lighting in combination with high nutrients will enhance algae growth. Combined with silicates the result will be brownish algae. Combined with phosphates the result is more red and greenish algae.
Light is a catalyst.
With intense lighting the need for nutrient control is increased to avoid algae problems. You should adjust your aquarium lighting to meet the needs of your set-up and inhabitants. There are always possibilities and creative ways to shade some areas with overhangs. The color temperature is 2700 K for incandescent light and 3000 K for halogen light. This type of lighting should only be used as a supplement for good plant growth due to the increased development of heat.