This article is posted on the observance of August- children eye health and safety month. The content of this article is specially written for parents to look after the eye health of the children.
Why the special focus on children for an eye check-up?
As children unable to understand that
- Their vision is less
- They may think that’s the best vision they can have or It’s the same for everyone
- If it’s a problem in a single eye they might not close one eye and observe.
At present, Contact lenses have become the best alternative for glasses. Hence proper fitting of the contact lenses is important to make sure that there wont be any harm to the eye and visual health. Different types of contact lenses have different Fitting procedures. The most common types of contact lenses are Soft spherical and Soft toric and Rigid gas permeable contact lenses.
What do you feel when you see this??
Beautiful! Amazing! colourful! But many on this earth couldn’t enjoy this beauty. There are approx 1 in 12 men (8%) and 1 in 200 women have Colour vision deficiency in the world.
Why are Polarised glasses used for?
Polarised glasses are mainly used for reducing the glare.
Wearing dusty, scratched and spectacles with smudges cause blurred vision which causes headaches. Hence keep them always clear and clean.
To find out Type of Astigmatism, We first need to know the classification. There are many but the important ones are based on focal points and Principle meridians.
Comparison of different aspects in Contact lenses and spectacles are given below.
What is contrast?
It is created by the difference in luminance from two adjacent surfaces.
According to Michelson,
Dynamic retinoscopy is also called Near Retinoscopy because it is done while the patient is focusing on a near target(In accommodated state). The main purpose of Dynamic Retinoscopy is to find out the accommodative response of the patient(lag or lead or normal). There are different methods of performing Dynamic Retinoscopy.