n (7m HgvgO\`] 如果“OK”按钮按下,将会核对对话框下面的代码行,如果点击取消则脚本终止。然后输入的参数赋予变量,如果此处是保留为空白,则使用默认值。因此,如果没有值输入并点击“OK”按钮,则脚本是以屈光度为0,光瞳直径为4mm来运行的。 IL 'i7p 余下的脚本计算与屈光度有关的所有参数。 l"5$6h r Lg(J|^ 分析 K_{f6c< w,bILv) 屈光度为4,光瞳直径为4mm,字母F点在视网膜上所成的像。 X^r5su?
图7. 字母F在视网膜上颜色分析
/ *RDy!m &tB|l_p_-p 脚本代码 A[oLV"J6x5 4.I6%Bq$ Option Explicit 'Remove this to enable non-dimensioned variables to be used. 'b:e`2fl }__g\?Yf Dim entity As T_ENTITY 7!+kyA\}r^ Dim op As T_OPERATION M$DJ$G|Z Dim mat As T_MODELMATERIAL *%l&'+ Dim A As Double XSyCT0f08 Dim pupilDiam As Double 6F6[w? Dim eID As Long 3$ cDC8 Dim parID As Long %Koc^
pb) Dim count As Integer )IPnSh/< Dim taq As Double, Rant As Double, CCant As Double, Rpost As Double, CCpost As Double S~d_SU~>` Dim tlens As Double, nlens As Double q>/#
P5V Dim curv As Double, conic As Double JZQkr Dim ok As Long S(9Xbw)T qR4(' Sub Main ?v-IN U_v{Vs '用户输入对话框 @=,2{JF*6 Begin Dialog UserDialog 320,126,"Input parameters" ' %GRID:10,7,1,1 0#lw?sv TextBox 220,21,40,21,.TextBox1 'default: 0 )^7Y^ue Text 20,21,190,21,"Accommodation (in Diopters):",.Text1,1 X|K"p(N OKButton 40,91,90,21 5 WSu CancelButton 190,91,90,21 Genk YtS Text 20,49,190,14,"Pupil diameter (4 mm default):",.Text2,1 *Dtwr TextBox 220,49,40,21,.TextBox2 'default: 4 +(0Fab8g End Dialog P*oKcq1R Dim dlg As UserDialog s
`HSTq2 o90SXa&l/ ok = Dialog (dlg) Zx,R6@l G;_QE<V~_ If ok=0 Then 'cancel button was pressed [SgWUP* Print "Execution cancelled." <MZ$ baK End fZL%H0& End If q$z#+2u mA}-hR% 'Assign accommodation and pupil diameter & use defaults if field left empty #mlTN3 If dlg.TextBox1 = "" Then
=]&?(Gq A = 0 'Default accommodation Q];gC{I Else FL% GW: A = CDbl(dlg.TextBox1) >8Wvz.Nq/ End If ]y3V^W# +N5#EpW If dlg.TextBox2 = "" Then 3p{N7/z( pupilDiam = 4 'Default pupil diameter N]R<EBq Else Eb SH)aR pupilDiam = CDbl(dlg.TextBox2) drP2%u End If &I:[ 'l! [Av#Z)R Print " " ?Y+xuY/t Print "Accommodation = " & A & " Diopters" Yq}7x1mm Print "Pupil Diameter = " & pupilDiam & " mm" %^[45e rGuhYYvK ' Calculate new parameters with accommodation )QE7$|s taq = 0.55 + 2.97 - 0.04*A 'Aqueous thickness jIJVl \i] TU$PAwn= Rant = 12.0 - 0.4*A 'Radius of anterior lens U^vQr%ha CCant = -7.518749 + 1.285720*A 'Conic constant of anterior lens !Rk1q&U5 J_YbeZ] Rpost = -5.224557 + 0.2*A 'Radius of posterior lens J~KWn. CCpost = -1.353971 - 0.431762*A 'Conic constant of posterior lens dl;~-'0 F+PIZ% tlens = 3.767 + 0.04*A 'Lens thickness s
(|T@g W/ZmG]sZE nlens = 1.42 + 0.00256*A - 0.00022*A^2 'Lens index of refraction ~t[ #p: 3xef>Xv= 'Adjust parameters to account for accommodation C\Q3vG F{)YdqQ '************************************************************************* JL $6Fw; 'Aqueous thickness (Position of Lens) +jYO?uaT '************************************************************************* Cnd70tbD ) eID = FindFullName( "Geometry.Arizona Eye.Lens" ) r)Ts(#Z GetCustomElement eID, entity ,/6V ^K ,{:c<W:A] parID = FindFullName( "Geometry.Arizona Eye" ) ]#R'hL%f -cs
4< ' Delete any shift(s) in z L,!?'.*/] count = 0 -q' n p0H While GetOperationCount(eID)>count UfjLNe}wA GetOperation eID, count, op 9|WBJ6 If op.Type="ShiftZ" Then TEz)d= DeleteOperation eID,count (q`Jef count=count-1 \DBoe:0~ End If +*'
count=count+1 SjD, Wend !Sr^4R +Z 3lH#+@ 'Set new shift in {Uxah op.Type = "ShiftZ" ov: h4 op.val1 = taq w,TyV%b[_ op.parent = parID c:I1XC AddOperation eID, op ^-{ 1]G: Print "Set aqueous humor thickness = " & taq-0.55 J7$1+|" MuB8gSu '************************************************************************* RrKAgw 'Radius and conic constant of anterior lens #n%?} '************************************************************************* 58zs%+F eID = FindFullName( "Geometry.Arizona Eye.Lens.Anterior" ) ?GqFtNz GetConic eID, entity, curv, conic zOYkkQE3mJ PbxuD*LQ. SetConic eID, entity, 1/Rant, CCant *V#v6r7<Y/ Print "Set anterior lens radius = " & Rant & " and conic constant = " & CCant Fn$/ K }l$M%Ps!a '************************************************************************* L(TO5Y] 'Radius and conic constant of posterior lens YS=|y}Q|7d '************************************************************************* xP*9UXZ4P eID = FindFullName( "Geometry.Arizona Eye.Lens.Posterior" ) hY+3PNiI@ GetConic eID, entity, curv, conic d='z^vHK zYpIG8"o5 SetConic eID, entity, 1/Rpost, CCpost 5&7)hMppI Print "Set posterior lens radius = " & Rpost & " and conic constant = " & CCpost }<7Dyn, ac>}$Uw) '************************************************************************* 8=gr F 'Lens thickness (Position of posterior lens surface) dvxD{UH '************************************************************************* P]!$MOt I=D{(%+^d parID = FindFullName( "Geometry.Arizona Eye.Lens" ) wOE_2k KIn^,d0H ' Delete any z-shift(s) 5FqUFzVqsl count = 0 "F>-W\% While GetOperationCount(eID)>count <y'B
!d# GetOperation eID, count, op g3n^
<[E If op.Type="ShiftZ" Then ?"+'OOqik DeleteOperation eID,count Noz+\O\ count=count-1 2#_9x7g+ End If z/ T| count=count+1 I@cKiB Wend G+4a%?JH I'"*#QOX 'Set new z-shift RL~|Kr<7J op.Type = "ShiftZ" ^T'+dGU` op.val1 = tlens ^q"p8 op.parent = parID $>'}6?C. AddOperation eID, op 9;dP7o Print "Set lens thickness = " & tlens o;FjpZ #[sC H '************************************************************************* :d/Z&LXD 'Lens index of refraction 8>j+xbw '************************************************************************* SZg+5MD;X eID = FindMaterial( "Lens" ) )U<4ul GetModelMaterial eID, mat ~FZLA} z-[Jbjhd mat.Nd = nlens C,]Q/6'> SetModelMaterial eID, mat -iBu:WyY$ Print "Set lens index of refraction = " & nlens 9foQ0#R 'BAe>r_Pn '************************************************************************* _<