As taken from my message board here You can see what diopter of myopia
correlates with your visual accuracy. The chart below takes into account that your best corrected vision is 20/20 please see my message board to get the full details

A. -0.7 ..... 20/30
B. -0.88 ... 20/35
A. -1.05 ... 20/40
B. -1.32 ... 20/50
A. -1.58 ... 20/60
B. -1.98 ... 20/80
A. -2.37 ... 20/100
B. -2.96 ... 20/150
A. -3.55 ... 20/200
B. -4.44 ... 20/300
A. -5.33 ... 20/400
B. -6.67 ... 20/600
A. -8 ........ 20/800
B. -10 ...... 20/1200
A. -12 ...... 20/1600
B. -15 ...... 20/2400
A. -18 ...... 20/3200
B. -22.5 ... 20/4800
A. -27 ...... 20/6400
B. -33.75.. 20/9600
A. -40.5 ... 20/12800
B. -50.63.. 20/19200
A. -60.75.. 20/25600



This verson below has been rounded to .25



A. -0.75 .... 20/30
B. -1.00 .... 20/40
A. -1.25 .... 20/50
B. -1.50 .... 20/60
A. -1.75 .... 20/70
B. -2.00 .... 20/80
A. -2.25 .... 20/100
B. -2.50 .... 20/120
A. -3.00 .... 20/150
B. -3.50 .... 20/200
A. -4.00 .... 20/250
B. -4.50 .... 20/300
A. -5.25 .... 20/400
B. -6.00 .... 20/500
A. -6.50 .... 20/600
B. -7.25 .... 20/700
A. -8.00 .... 20/800
B. -9.00 .... 20/1000
A. -10.00 .. 20/1200
B. -11.00 .. 20/1400
A. -12.00 .. 20/1600
B. -13.50 .. 20/2000
A. -15.00 .. 20/2400
B. -16.50 .. 20/2800
A. -18.00 .. 20/3200
B. -20.25 .. 20/4000
It becomes quite silly and moot past 20/4000 so I havent bothered doing the math past that.

Back to my eyechart