What is considered severe astigmatism?
Moderate Astigmatism 1.00 to 2.00 diopters.
High Astigmatism 2.00 to 4.00 diopters.
Extreme Astigmatism > 4.00 diopters..
What level of astigmatism needs correction?
Most doctors consider more than one diopter (1.00D) of astigmatism clinically significant and will offer special forms of vision correction that correct for this. But, with lower levels of astigmatism, doctors may wait for you to tell them if you’re not completely satisfied with the clarity of your vision.
Is astigmatism 180 Axis bad?
The last and 3rd number (180 and 175) is the axis, or the direction of your astigmatism. An axis of 180 degrees, for example, means the astigmatism is horizontal. Therefore, this prescription means that the patient is moderately nearsighted, with a moderate degree of astigmatism in a horizontal direction.
How bad can astigmatism get?
Astigmatism is important to catch early on, especially in children. If left unnoticed, it can lead to more serious and permanent eye conditions such as amblyopia (the scientific term for what’s commonly known as lazy eye).