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General & Diagnostic Eye Care

Vision After 40

From the early forties almost everyone notices that reading needs more distance, more light, or a pair of readers. The cause is presbyopia: the eye's natural lens stiffens with age and loses its ability to change shape for near focus. It is not a disease and it affects everyone, including people who have had LASIK. The options range from readers and multifocal glasses to multifocal contact lenses, laser correction with blended vision, and, from the late forties, Refractive Lens Exchange with a lens designed for near and distance.

Medically reviewed by Dr. Bavand Youssefzadeh, DO

The cause
Presbyopia: a stiffening natural lens
Onset
Early to mid forties; progresses to about 60
Simple fixes
Readers, progressive glasses, multifocal contacts
Surgical fixes
Blended-vision laser, EVO ICL, lens replacement

What is happening in the eye

The lens behind the pupil focuses by changing shape, pulled by a ring of muscle. It grows throughout life, adding layers like an onion, and stiffens as it does. By the early forties it can no longer round up enough to focus at reading distance, and the near point drifts outward year by year until, around 60, the lens has little focusing ability left. Everything else about the eye may be perfect; presbyopia is a mechanical limit.

The symptoms

Holding menus and phones farther away, needing brighter light to read, eye strain and headaches after close work, blurred near vision that clears when you look up, and, for people who have always been slightly nearsighted, the discovery that taking glasses off makes reading easier. Nearsighted people notice it later, farsighted people earlier.

Non-surgical options

  • Reading glasses, the simplest solution, in a power that increases over the years
  • Progressive or bifocal glasses that combine distance and near
  • Multifocal contact lenses, or monovision with one eye set nearer
  • Prescription drops that constrict the pupil to extend depth of focus for several hours, useful for occasional near tasks

Surgical options

Laser correction with blended vision, one eye for distance and the other slightly near, reduces reading glass use for patients in their forties with a clear lens, and is trialed with contact lenses first. The EVO ICL can be set the same way for high prescriptions in patients up to 45. From the late forties, Refractive Lens Exchange replaces the stiffening lens with a multifocal or extended depth of focus lens that provides near and distance vision, addresses the cause, and prevents a cataract, although the lens capsule can cloud later, which is treated with a quick laser. Which fits depends on the state of your lens and what you want from your vision, and the consultation examines both.

What does not work

Exercises do not restore lens flexibility, and no supplement reverses presbyopia. Standard LASIK on both eyes for distance does not address near vision and will leave a presbyopic patient in readers. Honest advice at 45 is different from honest advice at 30, and the consultation gives it.

Is this right for your eyes?

Nothing on this page is a diagnosis. Whether this is the right choice for you is decided by a full examination at one of our 4 offices: Pasadena, Huntington Beach, Woodland Hills and Beverly Hills.

About this content: This page was written with the assistance of AI tools and reviewed for medical accuracy by Dr. Bavand Youssefzadeh, DO. It is general information, not medical advice, and does not replace an eye examination. Individual results vary. Read our medical disclaimer.

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Frequently Asked Questions

No. It is a normal change that affects everyone. An eye exam at this age is still worthwhile because other conditions begin in the forties too.

No. Readers do not change the lens or the eye. Your prescription increases because presbyopia progresses, not because of the glasses.

LASIK corrected the cornea; presbyopia is in the lens and arrives regardless. Blended vision or lens replacement are the options now.

With blended vision, often yes, if the lens is clear and you tolerate a contact lens trial. Lens replacement may serve better as presbyopia advances.

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