Parent Knowledge of Screening and Genetic Testing in Retinoblastoma

Table 1

Knowledge of retinoblastoma among parents.

Questions	Answers (n)			Correctly answered (n, %)
	Yes	No	Do not know
Q1: Retinoblastoma can be inherited by the future offspring of the children	85	3	38	85 (67.5)
Q2: Mydriatic fundus examination is important for early diagnosis of retinoblastoma	84	0	42	84 (66.7)
Q3: For unilateral retinoblastoma patients, there is no need to regularly exam the contralateral eye if the affected eye was removed	5	107	14	107 (84.9)
Q4: The siblings of the affected children stand a higher risk of developing retinoblastoma	87	35	4	87 (69.0)
Q5: For children with higher risk, they should accept regular eye examination until they are elder than 3 years	22	79	25	79 (62.7)
Q6: Eye examination is essential for the siblings of bilateral Rb patients, but is not necessarily for siblings of unilateral patients	5	99	22	99 (78.6)
Q7: Genetic testing is useful in determining the risk of siblings and offspring	97	0	29	97 (77.0)