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Fig. 4 | BMC Ophthalmology

Fig. 4

From: Comparison of femtosecond laser-assisted corneal intrastromal xenotransplantation and the allotransplantation in rhesus monkeys

Fig. 4

Slit lamp biomicrographs. Preoperative and postoperative ocular observation of rhesus monkeys. After 6 months of surgery, the host cornea exhibited high level of tolerance of the graft, and the graft remained high level of the clarity (a). Under retroillumination observation (b), at 6-month post-surgery, the cornea remained clear with no haze, no detectable reaction in anterior chamber or any other adverse response. The boundary of the graft became undetected after 6 months of surgery in all groups. The boundary of the graft was marked by white arrows

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