In this section we will discuss several implementations of eye-gaze control: Already in 1986 eye tracking using corneal reflection was successfully implemented in a museum in Paris, which we have described in section 4.1. Another system "The EyeCatcher"-made by the Risø National Laboratory in Denmark for the Experimentarium-is going to be introduced to the public on June 1st, 1995. We visited Experimentarium for two days examining and evaluating the system (cf. section 4.2). A short summary of systems is placed in section 4.3. "The Little Prince" is a storyteller application inspired by Antoine de Saint Exupery's novel "The Little Prince" and is capable of making destinctions between levels of interest in subjects (cf. section 4.3.1).
In 1986 Buquet et al. (1988) installed an eye tracking device using corneal reflection in a museum in Paris. After 1¾ years the installation had been visited by 9000 people. The installation had, on a test population of 153 persons, a success rate of 84.3%, 9.8% failed in the "installation phase," 1.3% failed in the automatic focus adjustment and 4.6% failed in calibration. The functionality of the system was quite simple; it only offers viewing of slides, for example pictures of text. They conclude that
eye movement recording can be applied to a wide range of public [installations] without any technical supervision...Many other applications remain to be developed as the speed and accuracy of eye designation make it one of the most efficient methods in man/machine communication. (Buquet et al. 1988, p. 281)
We believe that these results are quite promising. The participants are not at all described in the article, which leads us to think that their results must rely on a chosen target group, i.e. the target group most likely consisted of adults who were interested in the art and information presented by the installation.