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Cryo Movie (308K): This video demonstrates the use of cryotherapy
(freezing) to treat a small retinoblastoma tumor in the eye. The
bright white color seen in the video is the ball of ice engulfing
the tumor cells.
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Transcleral Movie (228K): This video demonstrates the use
of the diopexy probe to deliver laser hyperthermia to a tumor. The
probe is placed over the tumor on the outside wall of the eye and
the laser heat goes directly through the wall of the eye to the
tumor, killing the tumor cells. The red light seen in the video
helps guide the ophthalmologist so he/she knows that the heat is
delivered directly to the tumor.
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TTT
Movie (424K): This video demonstrates the use of TTT (transpupillary
thermotherapy) to treat a small tumor. TTT is a type of laser treatment
in which heat is delivered directly to the tumor, killing the tumor
cells directly. In this case, the laser travels through the anterior
chamber of the eye, then through the vitreous cavity to reach the
tumor. The red light seen in the video helps guide the ophthalmologist
so that he/she knows that the heat is delivered to the correct location.
The white color seen in the video is how the tumor appears as it
is taking up the heat of the laser and the tumor cells are being
destroyed.
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