Will 2 lens of different focal lengths on the same f/number have different aperture diameters?

Will 2 lens of different focal lengths on the same f/number have different aperture diameters?

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Accuvue contact lens irritating my eyes?

I started using lens 1 1/2 years ago of Bausch And Lomb. Really comfortable and I loved it. But I read this review on the internet that Accuvue lens ae vert soothing and soft for your eyes and I bought 6 pairs of them for 6 months (monthly disposable). Starting using them 2 days ago. It was hard to put them in my eyes first but once I did, ever since then I'm feeling like there's something in the corners of my eyes and its irritating me. First I thought my eyes are adapting to new lenses but its the 3rd day and I'm feeling the same. Should I go back to Bausch And Lomb or what? I also have spectacles just in case I wear them at night and not the whole day cuz I love lens so much. Help please I don't wanna stop wearng lenses!

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I'm never happy when I'm on Vacation?

Ok, so here is the story. I'm not boring. Whenever we go out on a vacation with my husband, I would love to go out and have fun but in the evening after 6-7PM, I get this feeling to return to the hotel room. This happened to me when I went to disney world. My husband was pretty pissed off because of that. I feel very cold. I feel uneasy. Now, I'm here on this vacation and my husband was telling me to roam around in car. I was like.no. I don't wana put contact lenses, I just wana stay in room. Then he said me to sit in balcony.so, I sat down in balcony. Then he said to play some music, I did play but I turned volume down. He asked, what happened. I said there must be neighbours in the floor below. I wasn't sure if they were there. I'm always cautious that I don't bug anybody or that nobody complaints about us. Also, that I hate loud noises. He was so mad at me that I ruin every holiday of his. He spoiled all of the evening. Is there my fault? I hate loud noises, I feel cold in the evenings. I just wana sit and relax in a holiday. I wake up at 5am, go to work, come back at 5pm, go to kitchen to cook full meal for my husband. I get tired. I even don't like vacations. I just wana sleep and sleep. I wake up early in hotel rooms with a fear that housekeeping would knock soon to clean our room. My husband said that I'm depressing. He said that I say no to everything. Should I see a doctor?

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Cloudy/greasy contact lens?

I wear Acuvue Advance Plus and have worn these for about a year. They are two-week lenses.

Over the past few months, I've been having trouble. It seems like one side (it varies at different times, too) "gets something on the contact" somehow after a few days and it is this whitish film looking stuff that appears as if it is greasy when I attempt to scrub it clean with my fingers, using solution. Then I get it clean… I put it in and within a small amount of time (usually hours), it's like it gets dirty again and has the haze/white film on it. I've tried changing contacts when that happened (this wasn't back to back… The old were taken out on the previous night and the new ones were put in the new morning). Still the same issue. I see nothing that my eyes are emitting apart from the normal small amount of "sleepy" that gets in the corners (not on the contacts themselves). This white film/haze is almost always a circular-like ring that is right in the middle of the contact.

I've worn contacts almost always, since around 2004 or 2005. On a day or two each week, I leave them out to give my eyes some rest. I never wear them to bed. They go in during the morning and out every night by about midnight. They soak in multipurpose solution overnight.

Added (1). When I take them out of my eye at night, I do wash them with water briefly, to get any gunk off from them after scrubbing them lightly with my finger. Then I soak them in the multipurpose solution overnight. Before I put them in in the morning, I lightly scrub them with solution, wash them with water briefly (because using solution to wash stuff off from them doesn't seem to work that well), then I rinse them again with the solution before putting them in my eyes.

Added (2). I should also note that about 6 months ago, I started a new job within my company. I work in the meat/seafood departments of a grocery store in interchangeable positions several nights per week. We spray a deli detergent that does say "eye irritant" on it, but I don't get anything in my eyes that I am aware of. We also use some sanitizing stuff for the pans and utensils and such that we use. However, even on other days when I'm not in those areas, I get this white film.

Added (3). This white film/fog of sorts seems to be directly in the middle… Sometimes it is actually in a circular pattern around what I presume is the corner (?) pattern in the middle of the contact. So for some reason, it seems to get trapped there and/or originate from there for some reason. When I wear my glasses, I have no issues. There doesn't appear to be any type of infection or anything in my eyes. No stye, bumps or eye injuries that I know of.

Added (4). Hmm… Typo correction: "This white film/fog of sorts seems to be directly in the middle… Sometimes it is actually in a circular pattern around what I presume is the CORNEA (?) pattern in the middle of the contact"

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Best contact lens for dry eyes?

I have dry eyes and my current contacts, acuvue oasis feels weird on my eyes and gets dry in a few hours. I've tried dailies and they were even worse for my eyes. I've did research and heard that coopervision is good. Anyone have experience with coopervision?

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Lenses off for glasses?

Hi,

I just had my eyes checked, and it turns out I needed prescription lenses for astigmatism & farsightedness… Now finally after two weeks after trying to find damn transportation back to walmart, I noticed my far off vision was better but now at night I notice the starbursts around lights haven't improved by much.

I can't afford to buy new lenses, and I'll probably just throw them away may as well have burned the money on fire guess that's what I get for using wallmart. Will my eyes adjust and solve this double vision and starbursts I see around lights? Or what… I'll try it for two weeks, if not I'll just throw them away.

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About how much would it cost for me to get contacts?

I have glasses and I paid $66 for each lens. Would it be the same for regular contact lenses? Or would it cost more?

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Can I wear these contacts if I have brown eyes?

I want to buy these green ones, but they say "if you have Green eyes." Can I still wear them if my eyes are Brown? http://www.optykrozmus.com/contact-lens-types/colored-contact-lenses/freshlook-dimensions-sea-green-contact-lenses-6-lenses_.asp

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My eyes get very tired from looking at computer screens. What could this mean?

I already wear glasses and contact lenses.

It's only in my left eye though. I often get a pulsating sensation in my left eye.

I also see letters backwards or upside down with just looking through my left eye.

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Why do my eyes swell the morning after swimming?

After swimming/steam room my eyes are fine until I wake the next morning, my eyelids are really swollen and red. I always remove contact lenses before swimming etc. How can I stop/ help this? Thanks

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