Cylindrical Eye Power

If a person is said to have cylindrical eye power, they have what is known as astigmatism, a refractive error. It means that the correction required is unequal in different meridians of the eye. So, they will need a spectacle lens with a cylinder power correction in addition to the spherical power correction.

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Kindly suggest whether my eye power fits with my state medical test criteria?

Query: Hi doctor, I am attaching my eye prescription. I am also attaching my medical test criteria for state police service rank. Please mention whether I meet the given eye power.   Read Full »


Dr. Shachi Dwivedi

Answer: Hi,Welcome to icliniq.com.On seeing your criteria and test results, you are having a combined power of -4.50 including cylinder. It does not fit your prescribed criteria. I suggest you do a dilated refraction to know your exact power and also do a color vision test.   Read Full »

Is it a must to wear glasses all the time for cylindrical power of -0.5 and -1.25?

Query: Hi doctor, I have a cylindrical eye power for ten months. Initially, my power was -0.5 in my right and -0.75 in my left eyes. But now, in my right eye, there is an eye power of -0.5 on an axis of 180 and in my left eye, there is an eye power of -1.25 on an axis of 180. Do I need to wear glasses all...  Read Full »


Dr. Asif Manzoor

Answer: Hi, Welcome to icliniq.com. First of all, a cylindrical change from -0.75 to -1.25 will not occur and most probably it occurs due to interobserver variation. Usually, a refractive error will not show changes after 20 to 22 years of age. As you are 27 years of age, there is very little chance t...  Read Full »

I have blurred vision while using a contact lens. Why?

Query: Hi doctor, My eye power for the glass on the left eye is cyl - 0.75 with 10 axis and on the right eye is cyl - 2 with 170 axis. I am using contact lenses. But, I have a problem when I insert the lenses. I feel blurred vision in the left eye. I am using contact lens with power cyl - 1.75 with 170 axi...  Read Full »


Dr. Asif Manzoor

Answer: Hi, Welcome to icliniq.com. Actually, with contact lenses this problem happens when there is a cylindrical power because axis should be correct. In a cylindrical contact lens, there is a marker on it that should be at 6 o'clock. If a contact lens is rotated during applying, then it will cause proble...  Read Full »

Does cornea get stronger with age?

Query: Hi doctor,I am 36 years old. I had LASIK before 13 years and I started getting cylindrical number after five years of LASIK. Now, my number is left eye -2.75 at 140 axis and right eye -5.5 at 40 axis. My left eye number has been stable for the last 5 years and my right eye number is stable for the...  Read Full »


Dr. Anand

Answer: Hi, Welcome to icliniq.com. Getting cylinder power after LASIK surgery is not a good sign. What was your power before surgery? May be you had a thin cornea and after surgery it is likely that it may get bulged giving power again. Strictly avoid rubbing eyes and get corneal topography test. It is ver...  Read Full »

Are spherical numbers of -4 and -2.5 concerning in a 4-year-old kid?

Query: Hello doctor, Please find the eye report of my 4-year-old son. He is not getting much issues in walking, in long-distance reading and in anything, but in the eye test report he got -4 and -2.5 spherical numbers in the eyes. Is it a very serious number? I am very tensed as I thought - 4 is a very bi...  Read Full »


Dr. Manjunath Natarajan

Answer: Hello, Welcome to icliniq.com. I have gone through your attached photo. (attachment removed to protect patient identity). There are both spherical and cylindrical powers in both of his eyes. This power is large for a 4-year-old boy and I understand your concern. Regarding the cause, the given a...  Read Full »

What causes cylindrical eye power to change rapidly?

Query: Hello doctor,I am 25 years old and I use spectacles from the last three years. Before that, my eyes were fine. In the last two years, it is deteriorating fast and the cylindrical eyesight varies much. Initially, it was - 0.5, but after one year it became - 1.5 and now it is 2.5. Why is my cylindric...  Read Full »


Dr. Rahul Vaswani

Answer: Hello, Welcome to icliniq.com. An increase in the cylindrical error at this age is uncommon. There are two possibilities: Your cornea is weak and changing its shape which is known as keratoconus. But, keratoconus does not appear in this age. It is basically a disease in children. There is a possib...  Read Full »

What is cylindrical eye power?

Query: Hi doctor, My son is 4 years and 10 months old. He has -2.5 cylindrical power in both the eyes. Is it possible for his eyesight to recover? Is this a serious condition at this age? Can it be improved with a diet? Are there any precautions I must take? Could it be due to excessive use of phones and ...  Read Full »


Dr. Bachar Khoury

Answer: Hello, Welcome to icliniq.com. Unfortunately, his eyesight will not return to normal. But his vision can be corrected with a LASIK surgery after he turns 18. It is not a serious condition. It cannot be improved with diet. You can ensure he takes breaks when reading and watching television. For more ...  Read Full »

Is it mandatory to wear glass for eye power in an 8-year-old?

Query: Hello doctor, My son is 8.11 years old. He had an eye injury one week before, which caused left eye corneal epithelial defect (3 mm, no infiltrate). He was adviced for constant use of single vision white glass. His reports are, Right eye (SPH=+0.00), (CYL=+0.75), (AXIS=95), (VISION=6/6). Left eye (S...  Read Full »


Dr. Manjunath Natarajan

Answer: Hello, Welcome to icliniq.com. I understand your concerns and have gone through your son's eye records. I can confirm that the power given cannot be reversed by eating carrots and vitamins. This type of power is called a cylindrical power, and if he does not wear the glasses, he can develop weakne...  Read Full »

What are the complications of not wearing spectacles for 1.5 eye power?

Query: Hello doctor, My 7-year-old daughter has 1.5 cylindrical power in the left eye only. She has no problem without glass. If she does not use spectacles will there be any problem in future?  Read Full »


Dr. Manjunath Natarajan

Answer: Hello, Welcome to icliniq.com. I understand your concerns. This power of 1.5 cylinders although relatively small, needs to be adequately corrected. You see, each part of our body is dependent on our users for its development. The part we use the most tends to develop more, and the area we do not u...  Read Full »

How can I get my cylindrical eye power corrected?

Query: Hi doctor, I have done an eye test recently, and I found that I need a cylindrical correction too. Earlier I used spectacles only with spherical correction. My test results show 6/18, -1.25 DC × 95, 6/6 and 6/9, -0.25/-0.75 × 75, 6/6. I would like to know whether my eye power is too wea...  Read Full »


Dr. Skandha Harshita

Answer: Hi, Welcome to icliniq.com. The cylinder power is low, and there is nothing to worry. As there is astigmatism, the glasses have to be worn at all times. You do not need to wear glasses if you do not have symptoms like eyestrain or a headache. But if you have eyestrain and headache, you need to wea...  Read Full »

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