Logan Steele
The levator palpebrae superioris muscle, with minor contributions from Müller's and the frontalis muscles, maintains the normal position of the upper eyelid. The levator muscle is responsible for lifting the eyelid, and when it malfunctions, it can result in a condition called ptosis, where the upper eyelid droops, sags, or falls over the eye. Ptosis can be congenital or acquired later in life due to weakening eyelid muscles and looser skin and tendons. While surgery is often recommended to tighten or reattach the levator muscle, some evidence suggests that eyelid exercises targeting the muscles around the eye may also help improve the appearance of droopy eyelids.
| Characteristics | Values |
|---|---|
| Main eyelid muscle | Levator palpebrae superioris |
| Other muscles that contribute to eyelid movement | Müller's muscle, orbicularis oculi, frontalis |
| Conditions associated with eyelid muscle dysfunction | Ptosis, congenital ptosis, acquired ptosis, blepharoptosis, blepharospasm |
| Treatment options | Eyelid exercises, ptosis crutch, surgery (tightening/reattaching levator muscle), prescription eye drops |
| Eyelid exercise examples | Raising eyebrows, placing finger underneath and holding while trying to close |
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What You'll Learn
The levator palpebrae superioris muscle
The levator palpebrae superioris is classified as a skeletal muscle and is attached to the check ligament of the superior rectus muscle. It extends along the roof of the orbit, from the apex of the orbit to the superior eyelid. The muscle fibres penetrate the upper eyelid, inserting into its parts via two aponeurotic fascicles. Deep fibres attach to the anterior surface of the superior tarsus, while superficial fibres radiate through the eyelid and orbicularis oculi to attach to the skin of the superior eyelid.
Dysfunction of the levator palpebrae superioris muscle can lead to a condition called ptosis, or droopy eyelid, where the upper eyelid droops, sags, or falls over the eye, potentially obstructing vision. Ptosis can be congenital, resulting from problems with the development of the levator muscle, or acquired due to various factors.
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Ptosis
The most common cause of ptosis is a problem with the levator palpebrae superioris muscle, which is responsible for maintaining the normal position of the upper eyelid. In congenital ptosis, the levator muscle does not develop properly, leading to a drooping eyelid from birth. Acquired ptosis can occur when the levator muscle weakens, stretches, or separates from the eyelid due to aging, injury, or previous eye surgery. Occasionally, other diseases or conditions, such as Horner syndrome, myasthenia gravis, or external ophthalmoplegia, can affect the eyelid muscle and cause ptosis.
The most obvious sign of ptosis is the drooping eyelid, but other symptoms may include excessive eye rubbing, increased tearing, tiredness and achiness around the eyes, and compensatory behaviours such as tilting the head back to see or repeatedly raising the eyebrows to lift the eyelid. If ptosis is severe enough to obstruct vision, it can lead to the development of amblyopia ("lazy eye") in children, where one eye has better vision than the other.
Treatment options for ptosis depend on the severity of the condition and whether it is affecting vision. Non-surgical methods include eyelid exercises and the use of a ptosis crutch, a physical device that lifts the eyelids. For mild cases, a resection of the muscle may be performed, while moderate cases may involve shortening the main eyelid muscle. More severe cases may require an eyebrow lift or surgery to tighten the levator muscle or attach the eyelid to other muscles that can help lift the eyelid.
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Ptosis surgery
Ptosis is a condition where the upper eyelid droops, sags or falls over the eye. It is caused by the levator muscle, which lifts the eyelid, not functioning properly. This can be due to ageing, as the skin and muscles of the eyelids stretch and weaken over time, or previous eye surgery. Ptosis can also be congenital, meaning a child is born with the condition due to problems with the development of the levator muscle.
For people with poor levator muscle function, often caused by congenital ptosis, neurogenic ptosis, or myogenic ptosis, frontalis sling fixation may be recommended. This procedure involves attaching the upper eyelid to the frontalis muscle (above the eyebrows) using a small silicone rod passed through the eyelid and under the skin. This allows the forehead muscles to elevate the eyelid. Frontalis sling fixation is performed under general anaesthesia, and a common side effect is the temporary inability to close the eye completely, requiring eye drops and ointment to keep the eye lubricated.
After ptosis surgery, doctors recommend limiting activities for up to a week to allow the eye to heal and avoiding any eye irritation. Complications such as bleeding, infection, corneal damage, and recurrent ptosis can occur, and the eyelid may be asymmetrical or over/under-corrected, usually resolving over time. Dry eye syndrome is a potential side effect due to the larger exposed surface area of the eye, especially after frontalis sling fixation.
In less severe cases of ptosis, non-surgical methods such as eyelid exercises and ptosis crutches can help improve eyelid droop and mild cases may only require a resection of the muscle.
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Ptosis crutch
Ptosis is a condition in which the upper eyelid droops, sags, or falls over the eye, obstructing vision. It is caused by the levator muscle, which lifts the eyelid, not functioning properly. In some cases, the eyelid may remain closed. While there are surgical options available to treat ptosis, a non-invasive method is to use a ptosis crutch.
A ptosis crutch is a non-surgical solution to ptosis, or drooping eyelid syndrome. It is a tool installed on existing eyewear that supports the affected eyelid, enabling it to stay open and allowing the individual to see. The crutch is placed along the inside of the eyewire frame, creating a fold above the eye that tucks the eyelid in and raises it above the pupil. It is designed around the shape and contour of the eye and is typically made of metal wire.
To install a ptosis crutch, measurements must first be taken to determine its depth. An optician may use a distometer or a millimeter ruler to take these measurements. The crutch is then soldered or welded onto the eyewire frame. Metal frames are recommended as they are less likely to break during adjustments. It is important to ensure that the ptosis crutch is properly fitted to avoid discomfort and irritation.
There are two main types of ptosis crutches: adjustable eye crutches and reinforced eye crutches. Adjustable eye crutches are attached to the nasal side of the frame and can be easily adjusted. However, they must be constantly adjusted, which can weaken the metal and lead to breakage. Reinforced eye crutches, on the other hand, are attached to the ends of the crutch and are more resistant to breaking. They also come with a clear plastic coating that improves comfort and helps with allergy sensitivities.
While ptosis crutches can be a helpful solution for those with ptosis, it is important to note that they may cause discomfort and can lead to dry eyes due to the inability to blink completely. It is recommended to consult with a skilled specialist to determine the best treatment option for ptosis, as surgical interventions may also be available.
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Facial exercises
The levator palpebrae superioris muscle, with minor contributions from Müller's and the frontalis muscles, maintains the normal position of the upper eyelid. The eyelid position depends mainly on the resting tone of the levator muscles, which varies according to the patient's state of arousal. The orbicularis oculi muscle is responsible for closing the eyelids.
While face exercises have grown in popularity, there is little evidence that facial exercises improve the eyelids. However, researchers know that using a muscle more often can counteract muscle weakness and deterioration, resulting in greater muscular strength and a lifted appearance in the target area.
- Place your palms on the outer edge of your eyebrows with your fingertips facing upwards. Gently push the outer edge of your eyebrows up slightly, creating a gentle eyebrow lift.
- Place your index fingers underneath your eyebrows and lift them gently. Close your eyes and hold this position for 10 seconds, breathing slowly and relaxing the rest of your face.
- Place your fingers on your forehead with your index fingers near your hairline and your little fingers next to your brows. Gently brush your fingers across your forehead.
Some other methods to improve droopy eyelids include:
- Wearing an eye patch over the good eye to strengthen the weaker eyelid.
- Cleansing, warming, and gently massaging your eyelids to increase circulation and nerve responses.
- Using a stimulating device such as an electric toothbrush to force a reaction in the small muscles of the eyelid.
- Lopidine eyedrops, which cause the eyelids to contract quickly.
- Upper eyelid blepharoplasty, a plastic surgery technique that tightens and raises the eyelids.
- Ptosis crutch, a physical device that lifts the eyelids.
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Frequently asked questions
The muscle that lifts the eyelid is called the levator palpebrae superioris muscle.
The levator palpebrae superioris muscle maintains the normal position of the upper eyelid.
When the levator palpebrae superioris muscle doesn't function properly, it can result in a condition called ptosis, where the upper eyelid droops, sags, or falls over the eye, sometimes obstructing vision.
Ptosis can be treated through surgery, which involves tightening or reattaching the levator muscle. In less severe cases, eyelid exercises may help to strengthen the muscle and reduce the appearance of droopiness.
One eyelid exercise for ptosis is to raise your eyebrows, place a finger underneath them, and hold them up while trying to close your eyelids. This creates resistance, similar to weightlifting, and can help to strengthen the eyelid muscles.
