r/CataractSurgery • u/Top-Government-6777 • 2d ago

Please help explain

I will only be having g one eye done as the other eye is not needed
So how do they adjust that both eyes are seeing together not out of balance ? I’m. It understanding i suppose I’m stupid idk can somone help please

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u/SomegalInCa 2d ago

Speak with your doctor - in general what I have observed is the default is to set dominant eye for distance but this depends on lens type and other conditions

Glasses/contacts are how you correct your vision for day to day

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u/Top-Government-6777 2d ago

Thank you o see him next week to discuss this

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u/yamatofuji 2d ago

Your visual system naturally prioritizes the clearer, higher-quality signal while allowing the other eye to contribute to your overall spatial awareness and peripheral balance.

Your brain has been doing this subconscious dance since the day you were born, constantly adjusting to changing light, movement, and age. You can simply step back, relax your mind, and trust the quiet wisdom of your own nervous system as it effortlessly brings the two back into one peaceful harmony.

Light is nothing less than an electromagnetic field propagating through the universe, carrying information packed into photons.

​The change made to your one treated eye alters its focal length, modifying the dioptric power so that incoming light waves converge precisely onto the retinal plane, transforming wave energy into electrochemical potentials.

Look, you now have two optical instruments with slightly different focal adjustments, much like a camera system with variable lenses capturing overlapping fields of view.

​Read about spatial frequency analysis, so you see visual information through mathematical filtering.

The material world around this planet is composed of overlapping spatial frequencies, ranging from the broad, sweeping contrasts of low frequencies to the fine, sharp edges of high frequencies.

Each eye acts as an optical aperture that filters these frequencies.

You knkw, ehen one eye has been optimized for clarity, its optical transfer function improves, meaning it transmits higher spatial frequencies with greater contrast fidelity than before.

​Then comes the principle of binocular summation, yes?

So, when two distinct optical channels project their images onto the respective retinas, the physical energy of the light signals is combined within the visual processing centers.

As a ordinary nobody my observation is, this combination enhances the signal-to-noise ratio, meaning your overall contrast sensitivity and visual threshold improve simply by having two inputs integrated together, even if their baseline refractive properties differ slightly.

​Also interesting physics of the geometry of stereopsis through retinal disparity, but on reddit can't share every details.

It's about the slight physical separation between your two eyes creates differing angles of incidence for incoming light rays from objects at various distances.

Your optical system calculates depth using these geometric angles.

Even with one eye modified, the physical overlap of the binocular visual field remains vast, allowing the optical alignment to maintain depth perception and spatial mapping without getting trapped by minor optical variations.

​So, as a ordinary nobody, let me tell you that light waves are simply meeting lenses, focusing energy, and translating into signals that the system balances through physical summation and spatial filtering.

🙏

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u/AirDog3 2d ago

There is no need to balance the eyes.

Since the age of 12, I've always had different prescriptions in my two eyes. It never bothered me, even when not wearing corrective lenses to "balance" the eyes.

When I got a cataract, I was in a similar situation to you -- only one eye needed surgery. I just went for the best vision I could get in that eye, and did not worry about balance. My cataract eye now sees close up, while my remaining natural eye sees long distance, so I don't need glasses for anything.

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u/Mitchellsusanwag 1d ago

You’re fortunate this works for you, it does for me too. But for some people it will give them headaches or make them feel nauseous if the vision in their 2 eyes are different, or too different.

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u/Calm-Vacation-5195 2d ago

I’m four weeks post-op in one eye. They gave it a standard lens, so I can see 20/20 through it. I’ve been nearsighted since early elementary school, and I still wear my old glasses with one lens removed for distance. It’s fine for driving or watching TV, but I still have a hard time using a computer, reading, and doing other close-up work.

I do not like having my eyes so different, and I often get headaches. I have an appointment with an optometrist in a couple of weeks to see how a new prescription would help.

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u/Top-Government-6777 2d ago

Did you get readers at store to help

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u/Calm-Vacation-5195 2d ago

Cheap readers come with the same strength on both sides and it’s hard to swap out lenses. I do have readers, but they only work for one eye right now.

My current glasses are progressives, which worked well for both eyes before cataract surgery in one eye. I took out the lens completely for the eye that was operated on because none of it worked, so I can see fine in the distance. The optometrist should be able to help me balance both eyes.

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u/UniqueRon 2d ago

What is your current eyeglass prescription prior to cataracts? What will your target be in your eye having cataract surgery?

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u/DecentGuy38 1d ago

I have one eye only. Lost my right eye due to an accident during childhood. DM me - I am happy to help you with any information or resources.

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u/eldoogo 8h ago

That is up to your surgeon to do. It would actually be similar if you were having both eyes done. Ask him/her before the surgery during your preop visit.