I. Tear duct exploration + tear duct intubation
1, children over 5 months of age.
2, failure of lacrimal duct probing for less than 3 times.
3, various complex and difficult lacrimal tract diseases.
4, lacrimal tract exploration after patency, still lacrimation, FDT test (++) and above.
5, multiple lacrimal stenosis adhesions (lacrimal duct, common lacrimal duct).
6.Parents voluntarily accept this surgery.
Second, lacrimal duct exploration + balloon dilation
1, children aged 5 months-1 year with lacrimal stenosis
2, failure of 1 lacrimal duct exploration
3, narrowing of the lower end of the nasolacrimal duct
4, lacrimal passage after lacrimal duct exploration, still lacrimation, FDT test (++) and above.
5, not suitable for simple lacrimal duct probing surgery.
6.Voluntary choice of tear duct balloon tube dilation.
Third, lacrimal duct exploration + lacrimal intubation + balloon tube dilation
1, applicable to any age.
2, severe lacrimal stenosis, lacrimal duct malformation.
3, repeated lacrimal duct probing failure.
4, foreign children who are not convenient for multiple and repeated visits.
5, lacrimal tract imaging, the lower end of the nasolacrimal duct local narrowing degree is serious.
Fourth, lacrimal duct exploration surgery
1, mild lacrimal duct obstruction, no purulent discharge.
2, parents voluntarily request.
3.No lacrimal duct exploratory surgery has been done.
4.Toddlers over 4 months old and within 1 year old.
5.Lacrimal endoscopy + lacrimal laser + lacrimal bone drill + lacrimal intubation quadruple lacrimal surgery
1, severe narrowing of the lacrimal duct, severe deformity
2, secondary lacrimal duct obstruction: such as scar lacrimal duct obstruction caused by trauma, conjunctivitis, etc.
3, tear dots atresia, lacrimal duct adhesions, atresia.
4, the above surgical failure.