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Br J Ophthalmol 87:587-591 doi:10.1136/bjo.87.5.587
  • Original Article
    • Clinical science

Corneal calcification after amniotic membrane transplantation

Table 3

Photographic appearance of calcified areas after each amniotic membrane transplant complicated by post-operative calcification

Patient Operation no* Time until calcification (weeks) Min length (mm) Min area (mm2) Max length (mm) Max area (mm2) Time between measurements (weeks) Morphology Density† Relation to AMT‡
*Sequence number of AMT performed. †Density: grade 1 = iris detail still visible, grade 2 = iris detail not visible, grade 3 = dense white plaque. ‡Relation to AMT: Centred = centred under AMT, overlap = at least part of calcified area under original AMT. Only one measurable photo of calcification available. §Superficial calcium became dislodged between photographs.
Min length = minimum recorded length of largest focus of calcification, Min area = minimum recorded total area of calcification, Max length = maximum recorded length of largest focus of calcification, Max area = maximum recorded total area of calcification.
1 1 17 2.1 0.9 Multi focal 2 Centred
2 3 4 1.4 1.3 3.9 8.6 14 Single 2 Centred
3 1 8 6.5 11.5 6.5 14 6 Single 3 Centred
2 6 3.6 3.8 3.9 4.3 14 Speckled 2 Centred
3 5 7.7 17.4 Single 3 Centred
4 1 4 3.4 7.2 5.2 16.2 5.9§ Multi focal 2 Centred
5 1 3 1.3 0.6 1.4 0.7 49 Single 2 Overlap
6 1 6 4.7 9.3 6.0 13.2 18§ Single 3 Centred
7 1 4 8.9 28.6 Single 3 Centred
8R 1 3 6.3 10.2 10.5 35.3 4.4 Single 3 Centred
2 6 8.1 40.5 Single 3 Centred
8L 1 5 4.4 4.9 Multi focal 2 Centred
9 1 13 0.9 0.4 1.5 0.8 19 Multi focal 1 Overlap

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