Resolution of the Human Eye Lab

1. Yes, based on the results from our experiment, it does make a difference when the point-like objects are black dots on white paper compared to white dots on dark paper. According to our results, with the black dot on white paper with a distance of 3/5cm between the two dots, it took a distance of 457.5cm for the dots to blur into one. The angle for this was 0.075 degrees. When we had white dots on blue paper, it took a distance of 579.5cm for the dots to become one. The angle for this was 0.03 degrees. Both trials were done by our group member, Jailene Alvarez.

2. Yes, based on the results from our experiment, the brightness of the dots does make a difference in the distance. Like in question one, we had Jailene do the testing for this experiment as well. With the less bright dots, it took a distance of 579.5cm. With the brighter dots, it took a distance of 701.5cm for the dots to blur into one. This shows us that the brighter dots took a longer distance before it merged into one.

4. Based on our results, it does not make a difference whether you start far away and approach the dots, or if you start close and move away. Using the dots from question one, we had Jailene do this experiment. When starting far away and moving close, it took a distance of 427cm. When starting close and moving far away, it was also 427cm. In conclusion, the starting point did not have a difference.

Questions

1.

a. We answered questions 1, 2, and 4. I believe that the overall goal of this exercise was to challenge ourselves into creating a proper experiment with controlled variables when not super direct instructions were given. In addition, it was to teach us about the resolution of the human eye.

2.

a. Resolution applies to being able to distinguish detail in an object that you have already spotted.

b. We first chose one group member to do the eye resolution experiments. This was important so we would stay constant with the same eye resolution because if we switched people, it would interfere with our results. We then marked the dots required on the paper, measured the distance from the dots, and then did the experiment. We would also keep the dots at the same distance. That was a controlled variable as well. Lighting in the room was always constant, with exception to the