- Eye tests and numbersWhat does 6/6 vision mean? Eye test numbers explained6/6 vision means you read at 6 metres what a normal eye reads at 6 metres. The meaning of 6/9, 6/12 and 6/60, how 6/6 compares to 20/20, and a full conversion chart.Read the guide →
- Eye tests and numbersHow to read your glasses prescription: SPH, CYL and AXIS explainedA plain guide to your glasses prescription: what SPH, CYL, AXIS, ADD and PD mean, minus versus plus, and when a changing prescription calls for a cornea check.Read the guide →
- Eye tests and numbersMy vision is 6/6. Does that mean my eyes are healthy?6/6 vision does not mean healthy eyes. Glaucoma, early keratoconus and diabetic retinopathy can start while vision is still 6/6. When do you need a full eye exam?Read the guide →
- Eye tests and numbersColour blindness: types and how it is testedColour blindness is usually inherited and far more common in men. The types, the Ishihara test, acquired causes, and when a colour change needs an exam.Read the guide →
Other specialties
Want your eyes checked?
Until the center opens, Dr. Ahmed Shaarawy sees patients at his clinic in Dokki, Cairo. A full eye exam is the only way to find out why your vision is weak and how to treat it.