R R

What Is the Jensen Procedure (Ptosis)?

Jensen procedure is an eye muscle transposition surgery that connects split portions of rectus muscles to improve eye movement in certain types of strabismus. Variations of the procedure are used for problems such as abducens palsy or monocular elevation deficit. Some people with monocular elevation deficit have a droopy-looking eyelid because the eye sits lower, which is called pseudoptosis. By improving the eye's upward position, the eyelid can look less droopy even though the eyelid muscle has not been operated on. A separate eyelid operation can still be needed if true ptosis is present.

Link to This Resource Page

Provide a valuable resource to your clients or customers by linking to this resource page. Just place the following link on your website.

To display this...

What Is the Jensen Procedure (Ptosis)?

Jensen procedure is an eye muscle transposition surgery that connects split portions of rectus muscles to improve eye movement in certain types of strabismus. Variations of the procedure are used for problems such as abducens palsy or monocular elevation deficit. Some people with monocular elevation deficit have a droopy-looking eyelid because the eye sits lower, which is called pseudoptosis. By improving the eye's upward position, the eyelid can look less droopy even though the eyelid muscle has not been operated on. A separate eyelid operation can still be needed if true ptosis is present.

read more about jensen procedure ptosis ...

Copy this HTML:

Copy HTML Copied!

How Is Ptosis Linked to Eye Misalignment in Monocular Elevation Deficit?

When one eye sits lower due to limited elevation, the upper lid can appear to droop over the pupil. This look can be misleading because the eyelid muscle can still function normally. The term pseudoptosis describes this ?false? droop caused by eye position rather than lid weakness. Correcting the eye alignment can raise the eye in primary gaze, which can reduce the appearance of lid droop. After alignment improves, a clinician can reassess whether true ptosis remains.

What Happens During a Jensen Procedure?

Exact technique depends on the diagnosis and surgeon preference, and more than one transposition method exists. Surgical planning often includes measuring eye movement limits and alignment in different gazes.

  • Identify the extraocular muscles that need transposition based on the movement deficit.
  • Split portions of selected rectus muscles and attach or connect the split segments to shift pulling direction.
  • Check eye alignment at the end of surgery to reduce overcorrection or new vertical deviation.
  • Use post-op visits to track alignment changes as healing progresses.
  • Reassess eyelid position after the eye is better aligned to distinguish ptosis from pseudoptosis.

What Are Possible Side Effects After Transposition Surgery?

Soreness, redness, and temporary double vision can occur during early healing. A new vertical deviation or torsion can develop, depending on muscle balance and pre-op anatomy. Reduced blood flow to the front of the eye is a known concern in transposition surgery, and technique choice can affect this risk. Scar tissue can also limit movement and change results over time. Follow-up visits help track alignment and address complications early.

When Should a Specialist Evaluate Ptosis With Double Vision?

Ptosis with new double vision needs an eye exam because the cause can involve nerve palsy, muscle restriction, or systemic disease. Seek urgent care for drooping with severe headache, new pupil size change, or sudden weakness, since neurologic causes are possible. A child with ptosis and misalignment needs timely evaluation because amblyopia can develop when one eye is not used well. Long-standing ptosis still benefits from assessment if vision is affected or if eye strain is present. A strabismus specialist or oculoplastic specialist can coordinate care when both lid and alignment issues exist.

Frequently Asked Questions About the Jensen Procedure

Is the Jensen Procedure an Eyelid Surgery?

No. The Jensen procedure is performed on eye muscles to change eye movement and alignment. It does not directly tighten the levator or other eyelid structures. In some cases, eyelid position looks better after alignment improves because pseudoptosis decreases. True ptosis can still need a separate eyelid operation.

What Is the Difference Between Ptosis and Pseudoptosis?

Ptosis is true drooping from eyelid muscle weakness or tendon changes, which can cover part of the pupil. Pseudoptosis is a droopy appearance caused by eye position, such as hypotropia, even when the eyelid muscle is normal. Correcting alignment can reduce pseudoptosis. An eye exam measures lid function and eye position to separate the two.

How Long Is Recovery After a Jensen Procedure?

Redness and soreness often improve over the first couple of weeks, but alignment can shift as healing continues. Follow-up visits are used to track eye position and double vision changes. A person might need temporary prism or other support during healing if diplopia is bothersome. Return-to-work timing depends on comfort, job demands, and surgeon guidance.

Can Children Have a Jensen Procedure?

Yes, in selected cases where a transposition surgery fits the movement deficit and other options are not suitable. Pediatric planning also considers amblyopia risk, binocularity, and the timing of any eyelid surgery. Children need close follow-up to monitor alignment changes and visual development. A pediatric strabismus specialist can explain benefits, limits, and expected outcomes for the specific diagnosis.

References

1. Transposition Surgeries in Strabismus. EyeWiki. https://eyewiki.org/Transposition_Surgeries_in_Strabismus. Published October 28, 2025.

2. Monocular Elevation Deficit. EyeWiki. https://eyewiki.org/Monocular_Elevation_Deficit. Published October 4, 2025.

3. Modified Nishida’s Procedure Compared With Jensen’s Procedure for Abducens Palsy. National Library of Medicine. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4553802/. Published 2015.

4. Monocular Elevation Deficit Without Hypotropia Treated by Modified Jensen Procedure. National Library of Medicine. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10325037/. Published 2023.

5. Management of Ipsilateral Ptosis With Hypotropia in Double Elevator Palsy. National Library of Medicine. https://pubmed.ncbi.nlm.nih.gov/3704323/. Published 1986.