Attempts to diminish the appearance of an obtrusive dysfunctional
eye without resorting to enucleation or evisceration had
been to surgically narrow the aperture with sutures (canthoplasty).
This however, would cause further distortion of the eyelid
aperture and on occasion cause pressure on the bulbous eye.
The following case presentation displays such an anomaly
and how it was managed with a partially hand painted scleral
prosthesis to first simulate catoptric (light reflex) image
balance. The exophthalmic globe with its cover shell
prosthesis was then complemented with a minus power lens
(cosmetic optics).
This patient did not want to have either surgical correction
of the deviated supra-esotropic eye, or removal of the blind
exophthalmic right globe even though it was causing an abnormally
wide eyelid aperture. Another existing cosmetic problem
was that the eye had a dilated pupil with a pronounced cataract.
Figure 5A
Frontal gaze demonstrates the wide palpebral aperture and
deviated globe.
Figure 5B
The anterior projection of the disfigured globe is quite
apparent when viewed during its upward gaze.
Figure 5C
The thin scleral cover shell prosthesis after being fitted
with a catoptric imaged hand painted (over size diameter)
iris will optically diminish the prominence of the eye when
a properly prescribed minus power lens is worn. The
hand held minus 4 power lens has already shown improvement
in facial balance.
Figure 5D
The bulbous eye's cornea/iris was supra-esotropic, but the
scleral color and vascular pattern were normal in appearance.
This visual impairment was whited out on the scleral cover
shell and an iris was painted to align with the fellow eye
allowing the balance of the prosthesis to remain in clear
acrylic measuring less than one half of a millimeter.
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