Journal List > J Korean Ophthalmol Soc > v.49(1) > 1008269

Shin, Jeung, and Ahn: Changes of Contralateral Eyelid Position after Unilateral Blepharoptosis Repair

Abstract

Purpose

To evaluate the effect of unilateral blepharoptosis repair on contralateral eyelid position.

Methods

The medical records of 39 patients who had undergone unilateral blepharoptosis repair were reviewed for preoperative and postoperative margin reflex distance (MRD).

Results

Of the 39 patients, 28 (71.8%) had congenital ptosis and 11 (28.2%) revealed acquired ptosis. Twenty-two (56.4%) patients were male and 17 (43.6%) were female. Ages ranged from 3 to 55 years (mean 15.3±20.1 years). After unilateral blepharoptosis repair, the postoperative mean (±SD) change in MRD of nonoperated eye was -0.3±0.7 mm at week one, -0.3±0.6 mm at three months, and -0.2±0.7 mm at six months.

Conclusions

After unilateral blepharoptosis repair, 35.9% of patients had a decrease in contralateral eyelid height at postoperative 3 months and amount of decrease was 0.2±0.7 mm.

References

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Figure 1.
Photographs of unilateral frontalis sling operation (A) Before blepharoptosis repair, MRD of the right eye was almost zero. (B) After frontalis sling operation of the right eyelid, MRD of the right eye was 3.0 mm at postoperative 1 week. This patient had no Hering’s law dependence. Contralateral eyelid position was nearly unchanged.
jkos-49-8f1.tif
Figure 2.
Photographs of unilateral levator resection procedure. (A) Before blepharoptosis repair, MRD of the left eye was almost zero. (B) After levator resection procedure of the left eyelid, MRD of the left eye was 1.0 mm at postoperative 3 months. This patient had Hering’s law dependence. Contralateral eyelid position was nearly unchanged.
jkos-49-8f2.tif
Table 1.
Patient demographics
Age Number of the patients (%)
Male Female Total
0∼9 17 (43.6) 11 (28.2) 28 (71.8)
10∼19 0 (0) 0 (0) 0 (0)
20∼29 3 (7.7) 2 (5.1) 5 (12.8)
30∼39 2 (5.1) 2 (5.1) 4 (10.3)
40∼49 0 (0) 0 (0) 0 (0)
50∼ 0 (0) 2 (5.1) 2 (5.1)
Total 22 (56.4) 17 (43.6) 39 (100)
Table 2.
The change of MRD* in non-operated eyelids (No. of eyes (%))
Change of MRD Postop. 1 week Postop. 3 months Postop. 6 months
decreased 25 (64.1) 16 (41.0) 14 (35.9)
same 11 (28.2) 22 (56.4) 25 (64.1)
increased 3 (7.7) 1 (2.6) 0 (0)
Total 39 (100) 39 (100) 39 (100)

* : Marginal reflex distance.

Table 3.
Mean MRD in operated and non-operated eyelids after unilateral blepharoptosis repair (mm±SD)
Eyelid Preop. MRD Postop. 1week MRD Postop. 3 months MRD Postop. 6 months MRD
Operated eyelid 0.4±0.9 2.8±0.7* 2.6±0.7 λ 2.5±0.7 Ψ
Non-operated eyelid 3.4±0.6 3.0±0.6§ 3.1±0.7 λ 3.2±0.6#Ψ

When comparing preoperative and postoperative MRD,

* p=0.04, between preoperative and postoperative 1week in operated eyelid.

p=0.02, between preoperative and postoperative 3 months in operated eyelid.

p=0.02, between preoperative and postoperative 6 months in operated eyelid.

§ p=0.03, between preoperative and postoperative 1week in non-operated eyelid.

p=0.04, between preoperative and postoperative 3 months in non-operated eyelid.

# p=0.03, between preoperative and postoperative 6 months in non-operated eyelid.

λ p>0.05, when comparing the each two groups at 3 months.

Ψ p>0.05, when comparing the each two groups at 6 months.

Table 4.
Mean MRD change after unilateral blepharoptosis repair (mm±SD)
Eyelid Postoperative MRD change (Postoperative MRD- Preoperative MRD)
Postop. 1 week Postop. 3 months Postop. 6 months
Operated eyelid 2.4±0.9* 2.2±0.8* 2.1±0.7*
Non-operated eyelid -0.3±0.7* -0.3±0.6* -0.2±0.7*

When comparing preoperative MRD and postoperative MRD change.

* p<0.05.

Table 5.
Comparison of mean MRD of non-operated eyelids according to surgical method (mm±SD)
Eyelid (n=39) Preoperative MRD Postoperative 6 months MRD Change
Levator resection (n=17) 3.5±0.6 3.3±0.7 -0.2±0.7
Frontalis sling operation (n=22) 3.3±0.5 3.1±0.6 -0.2±0.5

Differences between groups were not statistically significant.

Table 6.
Comparison of mean MRD change of non-operated eyelids position according to Hering’s law dependence
Hering’s law dependence Mean MRD change (mm±SD)
Existence (n=15) -0.2±0.8
Nonexistence (n=24) -0.2±0.6
Total (n=39) -0.2±0.7

Differences between groups were not statistically significant.

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