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Ask the Optician

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Recent answers

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Answer

Written answer: Is this prescription for gas permeable lenses normal?

I have just received a prescription for glasses and for contact lenses:

Glasses
R – 2.50 x0.75 x 90
L -2.75x 0.50 x 90

Gas permeable lenses
R -2.75
L -2.50

What I would love to know is why the first figure is swapped around (right and left) between the two prescriptions. Is this normal or have they got the eyes round the wrong way?

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Written answer: Experiencing dizziness and left eye feels strange

I have been experiencing dizziness since last august. Have been to the doctors and had my neck tested and am due to go to dizziness clinic in May, but sometimes my left eye feels strange. Sometimes it feels blurry and I feel like I have to keep blinking thinking it will go but it doesn’t. It just feels strange, could this be something to do with my dizziness?

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Written answer: Varifocals make near objects curve out

I just got tailor made varifocals. If I use them to read on a tablet, phone, or kindle the screen seems to curve out towards me and some parts of the screen that are different colours seem either flat and normal or raised from the screen as if they are 3D.
Can you explain this please?

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Written answer: Feel dizzy and faint when remove glasses

I have been wearing glasses for about 4 weeks now and I take them off whilst I train at college. And after about five minutes I start to feel dizzy/faint (then faint) this only happens when I don’t have my glasses on and has only been happening since I have been prescribed glasses. As I have only fainted once whilst exercising last year due to not eating breakfast or anything and was diagnosed with anaemia. At that time I wasn’t wearing glasses and I was training/exercising fine and not feeling faint or dizzy.

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Written answer: Antireflection coating makes no difference

The Anti glare coating I had added to my spectacles order makes no difference to glares from street lighting or car headlights at night. I was sold them on this sales point so I’m very disappointed on the results. I was even shown with and without images and there is no way they give me what they promised. Is there any reason why I may now notice a difference other than one, the coating hasn’t been applied or two, it is a scam?

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Written answer: Should I be worried about visual snow?

I’m a 17 year old girl and I believe I have had visual snow for about a year, after getting a migraine that was so bad I vomitted eight times. I’m not actually sure if I have it 24/7 because I only notice it when I’m super stressed or migrainey but if I do have it should I be worried about VS? Like will my vision gradually get worse over time? This is beginning to worry me, I don’t mind VS but if it gets worse then I am incredibly worried.

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Written answer: Thought glasses would be stronger then contact lens prescription

I just had my eye exam and my contacts exam in Specsavers. My contacts prescription didn’t change, however my glasses prescription changed. It was only after I left that I discovered that my contact lenses remained at -4.75 for both eyes, but my glasses are now -4.25 (CYL-0.5, AXIS 90) for the right eye and -4.50 (CYL -0.5, AXIS 60).

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Written answer: Since bad migraine eye feels bruised

About a month ago I had this huge migraine started on my left eye. It lasted for a few days and then it went away. But every since then my eye feels bruised or pressure around and behind my eye. Sometimes it feels like a burning sensation. Every now and then I would get a headache maybe once or twice a week.

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Written answer: Do I need to have regular check ups?

My mother had retina pigmentosa but she also had glaucoma. I only found this out last year so I wondered what it meant to me at the age of 56? Do I need to have regular check ups? I was also diagnosed with type II diabetus mellitus last year also.

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Written answer: Red patch on eye

I was struck in the face around a week ago which resulted in me being left with a black eye. The swelling etc has now gone but inside my eye there is a red patch that looks like it’s bleeding but it isn’t. Is this something to be worried about?

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