EyeWorld India June 2019 Issue

FEATURE £Ó EWAP JUNE 2019 Optical biometry and inbuilt IOL formulas for any eye status Use Total Corneal Refractive Power (TCRP) keratometry to account for individual total corneal astigmatism of every patient and select suitable aspheric, toric and multifocal IOL candidates more confidently. Perform swift IOL calculations using the inbuilt IOL Calculator, avoid manual transcription errors and optimize your personal constants. Included: IOL formulas by Barrett and Olsen as well as customized formulas for post-corneal refractive patients Pentacam ® AXL The All-in-One Unit! OCU LUS Asia Ltd. H ong Ko ng www.oculu s.d e • in fo@ oculus .hk i˜ÌˆVՏi]»…i Ã>ˆ`° º ܜՏ` Ã̈ ÀiVœ““i˜` Ƃ- >Ì Ì…i ÛiÀÞ œÜ i˜` œv “Þœ«ˆ>] LÕÌ ÜˆÌ…Ài}>À` ̜ “œ`iÀ>Ìi ̜…ˆ}…“Þœ«ià ܈̅ Õ« ̜ Î œv >Ã̈}“>̈Ó] >“ œvviÀˆ˜} - ̜ ̅œÃi «>̈i˜Ìà >à “Þ «Àˆ“>ÀÞ V…œˆVi°» /…œÕ}…> >ÃiÀ ÀivÀ>V̈Ûi «ÀœVi`ÕÀi] ˆŽi Ƃ- ] À° Hamilton and Dr. Dishler noted > i>À˜ˆ˜} VÕÀÛi ܈̅- ° /œ get over this learning curve, Dr. >“ˆÌœ˜ ÀiVœ““i˜`i` ܜÀŽˆ˜} with an experienced mentor on ޜÕÀ wÀÃÌ V>ÃiÃ] ÃV…i`Տˆ˜} ÃiÛiÀ> L>VŽ‡Ìœ‡L>VŽ Lˆ>ÌiÀ> - V>ÃiÃ] >˜` Ì>Žˆ˜} > VœÕÀÃi >Ì >˜ ophthalmic meeting. Dr. Hamilton also recommended becoming v>“ˆˆ>À ܈̅̅i 6ˆÃÕ >Ý >ÃiÀ LÞ «iÀvœÀ“ˆ˜} ÃiÛiÀ> `œâi˜ Ƃ- y>« V>Ãià LivœÀi “œÛˆ˜} œ˜ ̜ ޜÕÀ wÀÃÌ - V>Ãið º/…i œÌ…iÀ ŽiÞ «œˆ˜Ì ܈̅ - ˆÃo Üi >Ài ÌÀi>̈˜} ̅i ÀivÀ>V̈Ûi iÀÀœÀ ܈̅̅ˆÃ procedure, so the centration œv ̅i - i˜ÌˆVՏi ˆÃ È}˜ˆwV>˜ÌÞ “œÀi VÀˆÌˆV> ̅>˜ ̅i Vi˜ÌÀ>̈œ˜ œv ̅i Ƃ- y>«]» À° >“ˆÌœ˜ Ã>ˆ`] noting that he uses a printout vÀœ“ ̅i >ˆiˆ ̜«œ}À>«…iÀ <ˆi“iÀ] *œÀÌ] -܈ÌâiÀ>˜`® ̜ show centration on the visual axis, which he uses as a visual Ài«ÀiÃi˜Ì>̈œ˜ œv ܅iÀi…i Ü>˜Ìà ̜ Ãii ̅i wÝ>̈œ˜ Ì>À}iÌ within the pupil while centering ̅i iÞi ܈̅̅i 6ˆÃÕ >Ý >ÃiÀ° />Ži ޜÕÀ ̈“i ܈̅ޜÕÀ i>ÀÞ - V>ÃiÃ] À° >“ˆÌœ˜ said, stressing that speed with this procedure will come with experience. º ̽à >“>∘}…œÜ v>ÃÌ ˆÌ V>˜ Li] LÕÌ Ì>Žˆ˜} ޜÕÀ ̈“i ˆ˜ˆÌˆ>Þ ˆÃ ˆ“«œÀÌ>˜Ì° ̽à >“>∘} ܈̅ i>V…œv ޜÕÀ wÀÃÌ Óä ̜ Îä V>ÃiÅœÜ “ÕV…“œÀi ÞœÕ Ãii with each case with regard to instrumentation, bubble pattern, `i«Ì…] >˜` Ì>V̈i vii`L>VŽ° Ƃ œv ̅œÃi ̅ˆ˜}à >Ài ˜iÜ] Ü Ì>Žˆ˜} ޜÕÀ ̈“i ˆÃ ÛiÀÞ ˆ“«œÀÌ>˜Ì]»…i Ã>ˆ`° ˜ ÌiÀ“à œv ̅i ˜iÜ “œ`>ˆÌˆiÃ] À° -Ì>… Ã>ˆ` ˆv ÞœÕ are experienced in treating spherical corrections with the larger incision, there is not “ÕV…œv > `ˆvviÀi˜Vi ̜ >``ˆ˜} astigmatic correction or going to a smaller incision. “There >Ài >`Û>˜Ì>}ià ˆ˜ “>ÀŽˆ˜} ̅i VœÀ˜i> ˆ˜…i«ˆ˜} >ˆ}˜“i˜Ì œv ̅i ÌÀi>̓i˜Ìo LÕÌ >È`i vÀœ“ ̅>Ì] ˆÌ½Ã iÃÃi˜Ìˆ>Þ ̅i Ã>“i «ÀœVi`ÕÀi]»…i Ã>ˆ`° /…œÕ}…Ì…i ˜ii` vœÀ «œÃ̇ - i˜…>˜Vi“i˜Ì ˆÃ À>Àipˆ˜ ̅i ˜i>ÀÞ Ó Þi>Àà >˜` ˜i>ÀÞ Îää V>ÃiÅi…>à «iÀvœÀ“i`] À° >“ˆÌœ˜…>à «iÀvœÀ“i` œ˜i i˜…>˜Vi“i˜Ìp̅iÀi >Ài œ«Ìˆœ˜Ã° i ÕÃi` *, ˆ˜ ̅ˆÃ V>Ãi] LÕÌ Ã>ˆ` ÛiÀÞ Ì…ˆ˜ y>« Ƃ- ˆÃ >˜ œ«Ìˆœ˜ >à Üi° However, he cautioned that }ˆÛi˜ ̅i ÀiµÕˆÀi` £Óä ù“ V>« ̅ˆVŽ˜iÃà vœÀ - ˆ˜ 1°-° V>ÃiÃ] ÞœÕ ˜ii` ̜ Li V>ÀivՏ ܈̅> Ƃ- i˜…>˜Vi“i˜Ì œ˜ > - V>«° À° -Ì>… …>à >Ãœ œ˜Þ «iÀvœÀ“i` œ˜i i˜…>˜Vi“i˜Ì ˆ˜…ˆÃ Ó Þi>Àà ܈̅- ] >Ãœ ÕȘ} ÃÕÀv>Vi ablation in this case. -̈ œ˜Þ > viÜ Þi>Àà vÀœ“ ˆÌà ˆ˜ˆÌˆ> Ƃ >««ÀœÛ>] Àð Hamilton and Dishler said some patients are coming in requesting - ] LÕÌ À° >“ˆÌœ˜ Ã>ˆ` ̅iÞ >Ài ˜œÌ ̅i “>œÀˆÌÞ] ̅œÕ}… …i] À° ˆÃ…iÀ] >˜` À° -Ì>… iÝ«ÀiÃÃi` ̅>Ì Ì…iÞ iÝ«iVÌ Ì…>Ì Ìœ ňvÌ ÜˆÌ…Ìˆ“i° º ̅ˆ˜Ž] ˆ˜ Ó䣙] ̅i >LˆˆÌÞ Ìœ…>Ûi ̅i ̅Àii `ˆvviÀi˜Ì «ÀœVi`ÕÀià >Û>ˆ>Li ̜ œvviÀ «>̈i˜Ìà ˆÃ ÛiÀÞ ÕÃivՏ]» À° >“ˆÌœ˜ Ã>ˆ`° º ̅ˆ˜Ž >à Üi “œÛi vœÀÜ>À` >˜` - becomes more accepted and ̅i Ž˜œÜi`}i iÝ«>˜`à ˆ˜ our patient base, we will be “ˆ}À>̈˜} “œÀi ̜Ü>À` - ˆ˜ ̅i vÕÌÕÀi°» EWAP