eye - sore
There are many reasons to learn how to divide eyesore into syllables. Separating a word like eyesore into syllables is mainly to make it easier to read and pronounce. The syllable is the smallest sound unit in a word, and the separation of the eyesore into syllables allows speakers to better segment and emphasize each sound unit.
Knowing how to separate eyesore into syllables can be especially useful for those learning to read and write, because it helps them understand and pronounce eyesore more accurately. Furthermore, separating eyesore into syllables can also be useful in teaching grammar and spelling, as it allows students to more easily understand and apply the rules of accentuation and syllable division.
In the case of the word eyesore, we find that when separating into syllables the resulting number of syllables is 2. With this in mind, it's much easier to learn how to pronounce eyesore, as we can focus on perfecting the syllabic pronunciation before trying to pronounce eyesore in full or within a sentence. Likewise, this breakdown of eyesore into syllables makes it easier for us to remember how to write it.