1. Home
  2. Consult with a doctor
  3. Eye and vision

  4. Relation between Sph (-4. 00) & 4D. Not?

Relation between Sph(-4.00) & 4D

2018-02-23 12:30:54
Sir, I want to know what is the meaning of the lens Power not to exceed 4D? Is it -4 (myopia) or not?
36 Views

Answers (2)

Get your queries answered instantly with Practo AI FREE

50000+ health queries resolved in last month

Chat with Practo AI on Whatsapp

Consult Now
It means +or--4d.including. cylinder.

Answered2018-02-24 15:01:25

YESNO

Was this answer useful

Not finding what you need? Ask Practo AI

FREE

Chat with Practo AI on Whatsapp

Consult Now
Hello If this is-4 then it is myopia and if it is +4 then it is hyperopia

Answered2018-02-23 13:14:43

YESNO

Was this answer useful

Not finding what you need? Ask Practo AI

FREE

Chat with Practo AI on Whatsapp

Articles you may like

Do Workouts Have Any Direct Relation With Sexual Stamina?

Dr.Amit Nale

Now that’s a great question! Yes, we all want that amazing physique, and we all want to be noticed by the opposite sex ( ... Read more

Relation between Periodontitis and Respiratory Disease

Dr.Amit Anand

Dental health is the first thing that people ignore taking care of because they do not experience any pain. Oral hygiene ... Read more

Secret Relation Between Smoking and Weight

Ms.Shreya

Cigarette smoking was linked with appetite suppression. For decades, tobacco firms have connected weight loss process wi ... Read more

Fulfilling Relation: Does it Work Between Opposites or Similars?

Ms.Sneha Bhat

Think about your first day in the high school or college. How was your experience? Were you at ease on that very day? Wh ... Read more

The Relation Between Thyroid and Reproduction (Fertility, Pregnancy)

Dr. Sujoy Dasgupta

25th May is the World Thyroid Day. Thyroid disorders are one of the most common disorders of hormones in our body. Thyro ... Read more

The Co-Relation Between Mental Health and Yoga

Dr.D. S. Poonia

Last year, United Nation and International community has celebrated and declared 21 June as International Day of Yoga. Y ... Read more

Tell us what's troubling you

Want relief from cold & cough?

Consult Now

Down with fever or flu?

Consult Now

Stomach out of order?

Consult Now

Tired of clinic wait times?

Consult Now

Related Questions

Eye - Toric contact lens

3067 Views
I have -1.75 sph and .5 cylindrical power in my eye. When I went for lenses I was told that toric lens do ...Read More

Eye contact lenses

534 Views
Right eye : sph -0.50 cyl -1.25 axis 90° VA6/6 Left eye. : sph -0.50 cyl -1.50 axis 90° VA6/6 ...Read More

Contact lenses

414 Views
I have checked my power recently. I have -2.50 sph and -0 .50 cyl with 180° axis on both eyes. Since we d ...Read More

Right power for my contact lenses ?

249 Views
My eyesight power is: Right Eye: Sph: -1.50 Cyl -0.50 Axis: 90 Left Eye: Sph: -1.50 Cyl: -0.50 Axis: ...Read More

Power and Contact Lenses

163 Views
Right eye: SPH +0.50, CYl -2.50 Axis 10 Left eye: SPH +0.50, CYL -2.00,Axis 160 Can I go for any types of ...Read More

Contact Lens Power

112 Views
Currently I'm wearing glasses with power: SPH: -5:00 CYL: -1.25 Axis: 180. I want to use B&L contact len ...Read More

Suitable lens for eye correction

101 Views
My prescription is here : Right Eye - DV: Sph = -15.00 Cyl = -3.00 Axis = 20 ...Read More

Regarding lens

141 Views
My mother is 68 years old lady. She has cataract in both eyes. Doctor has suggested him surgery with Hoya ...Read More

Contact lens for toric power

152 Views
1. I have 5.50 sph in both eyes, and 0.75 cyl in one eye and no astigmatism in other eye. 2. I want to tr ...Read More

Combination of Lens

87 Views
Can one wear combination of two types of lens ? Use contact lens for SPH power and use Specs for CYL powe ...Read More
Disclaimer : The content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding your medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website.