Which is correct about congenital esotropia:
A. Strabismus within 6 months after birth
B. Strabismus greater than 40 PD
C. Eyes can alternately look or cross look
D. No obvious diopter
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Exotropia can be divided into
A. Congenital exotropia
B. Intermittent exotropia
C. Secondary exotropia
D. Constant exotropia
Regular astigmatism can be divided into
A. Irregular astigmatism
B. Astigmatism with the rule
C. Astigmatism against the rule
D. Oblique astigmatism
Astigmatic errors can be corrected with
A. Frequently in combination with spherical lenses
B. Contact lenses
C. RGP lenses
D. cylindrical lenses
Risk factors of retinal detachment:
A. Posterior vitreous detachment
B. Age
C. Myopia
D. Intraocular surgeries, or eye trauma.