A 100-degree eye is a refractive error of 100 degrees, which is divided into myopia, hyperopia and astigmatism, and the different types of refractive errors are also 100 degrees, but the impact on vision is different and the naked eye vision achieved is also different. 100 degrees of myopia has relatively little impact on vision, and the naked eye vision can usually be around 0.8, while 100 degrees of astigmatism is still a mild astigmatism, and the impact on vision is already relatively obvious. 100 degrees of hyperopia is a very mild form of farsightedness that does not affect naked eye vision and can be fully compensated for by ciliary muscle regulation, with naked eye vision usually reaching 1.0 or higher.